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5-4=1, -4+6=2,
-7+0=-7, 2+1=3
C+D= 1 2
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statistic questions
EXERCISE 8 Measures of Central Tendency: Mean, Median, and Mode 1. The number of nursing students enrolled in a parti ...
statistic questions
EXERCISE 8 Measures of Central Tendency: Mean, Median, and Mode 1. The number of nursing students enrolled in a particular nursing program between the years of 2010 and 2016, respectively, were 563, 593, 606, 520, 563, 610, and 577. Determine the mean (X), median (MD), and mode of the number of the nursing students enrolled in this program. Show your calculations. 2. What is the mode for the variable inpatient complications in Table 2 of the Winkler et al. (2014) study? What percentage of the study participants had this complication? 3. Does the distribution of inpatient complications have a single mode, or is this distribution bimodal or multimodal? Provide a rationale for your answer. 4. As reported in Table 1, what are the three most common cardiovascular medical history events in this study, and why is it clinically important to know the frequency of these events? 5. What are the mean and median lengths of stay (LOS) for the study participants? 6. Are the mean and median for LOS similar or different? What might this indicate about the distribution of the sample? Provide a rationale for your answer. 7. Examine the study results and determine the mode for arrhythmias experienced by the participants. What was the second most common arrhythmia in this sample? 8. Was the most common arrhythmia in Question 7 related to LOS? Was this result statistically significant? Provide a rationale for your answer. 9. What study variables were independently predictive of the 50 premature ventricular contractions (PVCs) per hour in this study? 10. In Table 1, what race is the mode for this sample? Should these study findings be generalized to American Indians with ACS? Provide a rationale for your answer
Module 02 Homework
The Module 02 Homework assignment covers Chapter 7; Estimates and
Sample Sizes. This chapter provides you with important ...
Module 02 Homework
The Module 02 Homework assignment covers Chapter 7; Estimates and
Sample Sizes. This chapter provides you with important concepts for
estimating an interval that will contain the true population mean,
population proportion and population variance.For the Module 02 Homework, please download the Microsoft Word
document using the link below and follow the directions included in the
assignment. Module 02 Homework assignment
Week 5 Statistical Significance & Meaningfulness on Sample Statements Paper
Part of your task as a scholar-practitioner is to act as a
critical consumer of research and ask informed ques ...
Week 5 Statistical Significance & Meaningfulness on Sample Statements Paper
Part of your task as a scholar-practitioner is to act as a
critical consumer of research and ask informed questions of published
material. Sometimes, claims are made that do not match the results of
the analysis. Unfortunately, this is why statistics is sometimes
unfairly associated with telling lies. These misalignments might not be
solely attributable to statistical nonsense, but also “user error.” One
of the greatest areas of user error is within the practice of hypothesis
testing and interpreting statistical significance. As you continue to
consume research, be sure and read everything with a critical eye and
call out statements that do not match the results.
For this Assignment, you will examine statistical significance and meaningfulness based on sample statements.To prepare for this Assignment:Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assignment. For additional support, review the Skill Builder: Evaluating P Values and the Skill Builder: Statistical Power,
which you can find by navigating back to your Blackboard Course Home
Page. From there, locate the Skill Builder link in the left navigation
pane. For this Assignment:Critically evaluate the two scenarios you selected based upon the following points:Critically evaluate the sample size.Critically evaluate the statements for meaningfulness.Critically evaluate the statements for statistical significance.Based on your evaluation, provide an explanation of the implications for social change.Use proper APA format and citations, and referencing.Week 5 Scenarios:1.The p-value was slightly above conventional threshold, but was described as “rapidly approaching significance” (i.e., p=.06). An independent samples t test was used to determine whether student satisfaction levels in a quantitative reasoning course differed between the traditional classroom and on-line environments.The samples consisted of students in four face-to-face classes at a traditional state university (n=65) and four online classes offered at the same university (n=69). Students reported their level of satisfaction on a five-point scale, with higher values indicating higher levels of satisfaction.Since the study was exploratory in nature, levels of significance were relaxed to the .10 level. The test was significant t(132) = 1.8, p= .074, wherein students in the face-to-face class reported lower levels of satisfaction (M= 3.39, SD= 1.8)than did those in the online sections (M= 3.89, SD= 1.4).We therefore conclude that on average, students in online quantitative reasoning classes have higher levels of satisfaction.The results of this study are significant because they provide educators with evidence of what medium works better in producing quantitatively knowledgeable practitioners.2.A results report that does not find any effect and also has small sample size (possibly no effect detected due to lack of power). A one-way analysis of variance was used to test whether a relationship exists between educational attainment and race. The dependent variable of education was measured as number of years of education completed. The race factor had three attributes of European American (n=36), African American (n=23) and Hispanic (n=18). Descriptive statistics indicate that on average, European Americans have higher levels of education (M=16.4, SD=4.6), with African Americans slightly trailing (M= 15.5, SD=6.8) and Hispanics having on average lower levels of educational attainment (M=13.3, SD=6.1). The ANOVA was not significant F(2,74) = 1.789, p= .175, indicating there are no differences in educational attainment across these three races in the population.The results of this study are significant because they shed light on the current social conversation about inequality. 3.Statistical significance is found in a study, but the effect in reality is very small (i.e., there was a very minor difference in attitude between men and women). Were the results meaningful?An independent samples t test was conducted to determine whether differences exist between men and women on cultural competency scores. The samples consisted of 663 women and 650 men taken from a convenience sample of public, private,and non-profit organizations. Each participant was administered an instrument that measured his or her current levels of cultural competency. The © 2016 Laureate Education, Inc. Page 2of 2cultural competency score ranges from 0 to 10,with higher scores indicating higher levels of cultural competency. The descriptive statistics indicate women have higher levels of cultural competency (M= 9.2, SD= 3.2) than men (M= 8.9, SD=2.1). The results were significant t(1311) = 2.0, p<.05, indicating that women are more culturally competent than are men. These results tell us that gender-specific interventions targeted toward men may assist in bolstering cultural competency. 4.A study has results that seem fine, but there is no clear association to social change. What is missing? A correlation test was conducted to determine whether a relationship exists between level of income and job satisfaction. The sample consisted of 432 employees equally represented across public, private,and non-profit sectors. The results of the test demonstrate a strong positive correlation between the two variables,r=.87, p<.01, showing that as level of income increases, job satisfaction increases as well.
11 pages
Concepts And Basic Data Analysis
A line graph describes a type of chart that is used in visualizing the The line graph comprises of the vertical and horizo ...
Concepts And Basic Data Analysis
A line graph describes a type of chart that is used in visualizing the The line graph comprises of the vertical and horizontal axis.
business statistics - critical thinking question finding descriptive statistics and making report
Finer Suit Company sells suits in the US and the European Union. The
company monitors its suit sales by collecting rando ...
business statistics - critical thinking question finding descriptive statistics and making report
Finer Suit Company sells suits in the US and the European Union. The
company monitors its suit sales by collecting randomly chosen data from
store locations throughout the US and the EU. They record list price (in
dollars), sale price (in dollars), and number of days it takes to sell
each suit. Data were collected from 200 suits sold in the US and 200 in
the EU region. The complete data set is in the file named Suits.Managerial ReportPrepare a report (see below) that summarizes your assessment of the
nature of the suit market in each region. Be sure to include the
following seven items in your report.Calculate descriptive statistics (mean, median, range, standard
deviation, and coefficient of variation) to summarize each of the three
variables for the all US suits. Use z-scores to determine if there any
outliers in the data set for any of the three variables.
If there are any outliers in any category, please list them and state for which category they are an outlier.If a result is an outlier, state whether it is below or above the mean.How can one use the above descriptive statistics to understand the
US suit market better? Could there be any other descriptive statistics
that can help one understand the US suit market better?
Descriptive statistics (mean, median, range, standard deviation and
coefficient of variation) to summarize each of the three variables for
the all EU suits. Use z-scores to determine if there any outliers in the
data set for any of the three variables.
If there are any outliers in any category, please list them and state for which category they are an outlier.If a result is an outlier, state whether it is below or above the mean.How can one use the above descriptive statistics to understand the
EU suit market better? Could there be any other descriptive statistics
that can help one understand the EU suit market better?
Compare your summary results from #1 and #2. Discuss any specific
statistical results that would help Finer Suits understand its two types
of businesses.
Discuss any specific statistical results that would help Finer Suits understand its two types of
Develop a 99% confidence interval estimate of the population mean
sales price and population mean number of days to sell for US suits.
What is the margin of error?Interpret your results.Interpret what each confidence intervals means.How can both confidence intervals provide useful US suit sales information?What other confidence interval would you choose to compute to obtain more information related to US suit sales? Explain why.What happens to the confidence interval as the level of confidence is increased.
Develop a 99% confidence interval estimate of the population mean
sales price and population mean number of days to sell for EU suits.
What is the margin of error?Interpret your results.Interpret what each confidence intervals means.How can both confidence intervals provide useful EU suit sales information?What other confidence interval would you choose to compute to obtain more information related to EU suit sales? Explain why.
Assume the Finer Suit Company requested estimates of the mean List
Price for the US suits with a margin of error of $600 and the mean List
Price of EU suits with a margin of error of $600. Using 99% confidence,
how large should the sample sizes be for each one?
How could the sample size formula be useful in understanding both
types of suit businesses? What are some advantages of a larger sample
size?
Suppose a US suit has a list price of $1,500 and an EU suit has a
list price of $1,200. What is your estimate of the final selling price
(based on the percent difference for the sale and list price) and number
of days required to sell each of these suits?
How would these two estimates be useful in this application?
Write a report that adheres to the formatting and APA expectations outlined on the CSU Global Writing Center (Links to an external site.). As with all written assignments at CSU Global, you should have in-text citations and a reference page.Submit your Excel file in addition to your report.Requirements:Paper must be written in third person.Your paper should be four to five pages in length (counting the
title page and references page) and cite and integrate at least one
credible outside source. The CSU Global Library (Links to an external site.) is a great place to find resources.Include a title page, introduction, body, conclusion, and a reference page.The introduction should describe or summarize the topic or problem.
It might discuss the importance of the topic or how it affects you or
society as a whole, or it might discuss or describe the unique
terminology associated with the topic.The body of your paper should answer the questions posed in the
problem. Explain how you approached and answered the question or solved
the problem, and, for each question, show all steps involved. Be sure
this is in paragraph format, not numbered answers like a homework
assignment.The conclusion should summarize your thoughts about what you have
determined from the data and your analysis, often with a broader
personal or societal perspective in mind. Nothing new should be
introduced in the conclusion that was not previously discussed in the
body paragraphs.Include any tables of data or calculations, calculated values,
and/or graphs associated with this problem in the body of your
assignment.
4 pages
20190509171755question Math
1. Interpretation: Using complete sentences, explain the information represented by the The graph shows that revenue creat ...
20190509171755question Math
1. Interpretation: Using complete sentences, explain the information represented by the The graph shows that revenue created by certain iPods at ...
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statistic questions
EXERCISE 8 Measures of Central Tendency: Mean, Median, and Mode 1. The number of nursing students enrolled in a parti ...
statistic questions
EXERCISE 8 Measures of Central Tendency: Mean, Median, and Mode 1. The number of nursing students enrolled in a particular nursing program between the years of 2010 and 2016, respectively, were 563, 593, 606, 520, 563, 610, and 577. Determine the mean (X), median (MD), and mode of the number of the nursing students enrolled in this program. Show your calculations. 2. What is the mode for the variable inpatient complications in Table 2 of the Winkler et al. (2014) study? What percentage of the study participants had this complication? 3. Does the distribution of inpatient complications have a single mode, or is this distribution bimodal or multimodal? Provide a rationale for your answer. 4. As reported in Table 1, what are the three most common cardiovascular medical history events in this study, and why is it clinically important to know the frequency of these events? 5. What are the mean and median lengths of stay (LOS) for the study participants? 6. Are the mean and median for LOS similar or different? What might this indicate about the distribution of the sample? Provide a rationale for your answer. 7. Examine the study results and determine the mode for arrhythmias experienced by the participants. What was the second most common arrhythmia in this sample? 8. Was the most common arrhythmia in Question 7 related to LOS? Was this result statistically significant? Provide a rationale for your answer. 9. What study variables were independently predictive of the 50 premature ventricular contractions (PVCs) per hour in this study? 10. In Table 1, what race is the mode for this sample? Should these study findings be generalized to American Indians with ACS? Provide a rationale for your answer
Module 02 Homework
The Module 02 Homework assignment covers Chapter 7; Estimates and
Sample Sizes. This chapter provides you with important ...
Module 02 Homework
The Module 02 Homework assignment covers Chapter 7; Estimates and
Sample Sizes. This chapter provides you with important concepts for
estimating an interval that will contain the true population mean,
population proportion and population variance.For the Module 02 Homework, please download the Microsoft Word
document using the link below and follow the directions included in the
assignment. Module 02 Homework assignment
Week 5 Statistical Significance & Meaningfulness on Sample Statements Paper
Part of your task as a scholar-practitioner is to act as a
critical consumer of research and ask informed ques ...
Week 5 Statistical Significance & Meaningfulness on Sample Statements Paper
Part of your task as a scholar-practitioner is to act as a
critical consumer of research and ask informed questions of published
material. Sometimes, claims are made that do not match the results of
the analysis. Unfortunately, this is why statistics is sometimes
unfairly associated with telling lies. These misalignments might not be
solely attributable to statistical nonsense, but also “user error.” One
of the greatest areas of user error is within the practice of hypothesis
testing and interpreting statistical significance. As you continue to
consume research, be sure and read everything with a critical eye and
call out statements that do not match the results.
For this Assignment, you will examine statistical significance and meaningfulness based on sample statements.To prepare for this Assignment:Review the Week 5 Scenarios found in this week’s Learning Resources and select two of the four scenarios for this Assignment. For additional support, review the Skill Builder: Evaluating P Values and the Skill Builder: Statistical Power,
which you can find by navigating back to your Blackboard Course Home
Page. From there, locate the Skill Builder link in the left navigation
pane. For this Assignment:Critically evaluate the two scenarios you selected based upon the following points:Critically evaluate the sample size.Critically evaluate the statements for meaningfulness.Critically evaluate the statements for statistical significance.Based on your evaluation, provide an explanation of the implications for social change.Use proper APA format and citations, and referencing.Week 5 Scenarios:1.The p-value was slightly above conventional threshold, but was described as “rapidly approaching significance” (i.e., p=.06). An independent samples t test was used to determine whether student satisfaction levels in a quantitative reasoning course differed between the traditional classroom and on-line environments.The samples consisted of students in four face-to-face classes at a traditional state university (n=65) and four online classes offered at the same university (n=69). Students reported their level of satisfaction on a five-point scale, with higher values indicating higher levels of satisfaction.Since the study was exploratory in nature, levels of significance were relaxed to the .10 level. The test was significant t(132) = 1.8, p= .074, wherein students in the face-to-face class reported lower levels of satisfaction (M= 3.39, SD= 1.8)than did those in the online sections (M= 3.89, SD= 1.4).We therefore conclude that on average, students in online quantitative reasoning classes have higher levels of satisfaction.The results of this study are significant because they provide educators with evidence of what medium works better in producing quantitatively knowledgeable practitioners.2.A results report that does not find any effect and also has small sample size (possibly no effect detected due to lack of power). A one-way analysis of variance was used to test whether a relationship exists between educational attainment and race. The dependent variable of education was measured as number of years of education completed. The race factor had three attributes of European American (n=36), African American (n=23) and Hispanic (n=18). Descriptive statistics indicate that on average, European Americans have higher levels of education (M=16.4, SD=4.6), with African Americans slightly trailing (M= 15.5, SD=6.8) and Hispanics having on average lower levels of educational attainment (M=13.3, SD=6.1). The ANOVA was not significant F(2,74) = 1.789, p= .175, indicating there are no differences in educational attainment across these three races in the population.The results of this study are significant because they shed light on the current social conversation about inequality. 3.Statistical significance is found in a study, but the effect in reality is very small (i.e., there was a very minor difference in attitude between men and women). Were the results meaningful?An independent samples t test was conducted to determine whether differences exist between men and women on cultural competency scores. The samples consisted of 663 women and 650 men taken from a convenience sample of public, private,and non-profit organizations. Each participant was administered an instrument that measured his or her current levels of cultural competency. The © 2016 Laureate Education, Inc. Page 2of 2cultural competency score ranges from 0 to 10,with higher scores indicating higher levels of cultural competency. The descriptive statistics indicate women have higher levels of cultural competency (M= 9.2, SD= 3.2) than men (M= 8.9, SD=2.1). The results were significant t(1311) = 2.0, p<.05, indicating that women are more culturally competent than are men. These results tell us that gender-specific interventions targeted toward men may assist in bolstering cultural competency. 4.A study has results that seem fine, but there is no clear association to social change. What is missing? A correlation test was conducted to determine whether a relationship exists between level of income and job satisfaction. The sample consisted of 432 employees equally represented across public, private,and non-profit sectors. The results of the test demonstrate a strong positive correlation between the two variables,r=.87, p<.01, showing that as level of income increases, job satisfaction increases as well.
11 pages
Concepts And Basic Data Analysis
A line graph describes a type of chart that is used in visualizing the The line graph comprises of the vertical and horizo ...
Concepts And Basic Data Analysis
A line graph describes a type of chart that is used in visualizing the The line graph comprises of the vertical and horizontal axis.
business statistics - critical thinking question finding descriptive statistics and making report
Finer Suit Company sells suits in the US and the European Union. The
company monitors its suit sales by collecting rando ...
business statistics - critical thinking question finding descriptive statistics and making report
Finer Suit Company sells suits in the US and the European Union. The
company monitors its suit sales by collecting randomly chosen data from
store locations throughout the US and the EU. They record list price (in
dollars), sale price (in dollars), and number of days it takes to sell
each suit. Data were collected from 200 suits sold in the US and 200 in
the EU region. The complete data set is in the file named Suits.Managerial ReportPrepare a report (see below) that summarizes your assessment of the
nature of the suit market in each region. Be sure to include the
following seven items in your report.Calculate descriptive statistics (mean, median, range, standard
deviation, and coefficient of variation) to summarize each of the three
variables for the all US suits. Use z-scores to determine if there any
outliers in the data set for any of the three variables.
If there are any outliers in any category, please list them and state for which category they are an outlier.If a result is an outlier, state whether it is below or above the mean.How can one use the above descriptive statistics to understand the
US suit market better? Could there be any other descriptive statistics
that can help one understand the US suit market better?
Descriptive statistics (mean, median, range, standard deviation and
coefficient of variation) to summarize each of the three variables for
the all EU suits. Use z-scores to determine if there any outliers in the
data set for any of the three variables.
If there are any outliers in any category, please list them and state for which category they are an outlier.If a result is an outlier, state whether it is below or above the mean.How can one use the above descriptive statistics to understand the
EU suit market better? Could there be any other descriptive statistics
that can help one understand the EU suit market better?
Compare your summary results from #1 and #2. Discuss any specific
statistical results that would help Finer Suits understand its two types
of businesses.
Discuss any specific statistical results that would help Finer Suits understand its two types of
Develop a 99% confidence interval estimate of the population mean
sales price and population mean number of days to sell for US suits.
What is the margin of error?Interpret your results.Interpret what each confidence intervals means.How can both confidence intervals provide useful US suit sales information?What other confidence interval would you choose to compute to obtain more information related to US suit sales? Explain why.What happens to the confidence interval as the level of confidence is increased.
Develop a 99% confidence interval estimate of the population mean
sales price and population mean number of days to sell for EU suits.
What is the margin of error?Interpret your results.Interpret what each confidence intervals means.How can both confidence intervals provide useful EU suit sales information?What other confidence interval would you choose to compute to obtain more information related to EU suit sales? Explain why.
Assume the Finer Suit Company requested estimates of the mean List
Price for the US suits with a margin of error of $600 and the mean List
Price of EU suits with a margin of error of $600. Using 99% confidence,
how large should the sample sizes be for each one?
How could the sample size formula be useful in understanding both
types of suit businesses? What are some advantages of a larger sample
size?
Suppose a US suit has a list price of $1,500 and an EU suit has a
list price of $1,200. What is your estimate of the final selling price
(based on the percent difference for the sale and list price) and number
of days required to sell each of these suits?
How would these two estimates be useful in this application?
Write a report that adheres to the formatting and APA expectations outlined on the CSU Global Writing Center (Links to an external site.). As with all written assignments at CSU Global, you should have in-text citations and a reference page.Submit your Excel file in addition to your report.Requirements:Paper must be written in third person.Your paper should be four to five pages in length (counting the
title page and references page) and cite and integrate at least one
credible outside source. The CSU Global Library (Links to an external site.) is a great place to find resources.Include a title page, introduction, body, conclusion, and a reference page.The introduction should describe or summarize the topic or problem.
It might discuss the importance of the topic or how it affects you or
society as a whole, or it might discuss or describe the unique
terminology associated with the topic.The body of your paper should answer the questions posed in the
problem. Explain how you approached and answered the question or solved
the problem, and, for each question, show all steps involved. Be sure
this is in paragraph format, not numbered answers like a homework
assignment.The conclusion should summarize your thoughts about what you have
determined from the data and your analysis, often with a broader
personal or societal perspective in mind. Nothing new should be
introduced in the conclusion that was not previously discussed in the
body paragraphs.Include any tables of data or calculations, calculated values,
and/or graphs associated with this problem in the body of your
assignment.
4 pages
20190509171755question Math
1. Interpretation: Using complete sentences, explain the information represented by the The graph shows that revenue creat ...
20190509171755question Math
1. Interpretation: Using complete sentences, explain the information represented by the The graph shows that revenue created by certain iPods at ...
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