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The research firm LL Research collected data from 200 client businesses. They want to determine how the businesses compare ...
Business Profits
The research firm LL Research collected data from 200 client businesses. They want to determine how the businesses compare among four variables:2015 Profit in millions of dollars2016 Profit in millions of dollars2015-2016 Two-Year Change in Daily Average Customer Visits Two-Year Average Number of EmployeesData collected for the sample of 200 businesses is contained in the file named Businesses, linked at the bottom of the page. Use all 200 data points.Managerial ReportPrepare a report (see below) using the numerical methods of descriptive statistics presented in this module to learn how each of the variables contributes to the success of a client business. Be sure to include the following three items in your report.Find descriptive sample statistics (mean, median, two quartiles Q1 and Q3, minimum, maximum, range, sample standard deviation, and coefficient of variation) for each of the four variables along with an explanation of what the descriptive statistics tell us about the client businesses.Compute the percent change in profit from 2015 to 2016 for each business. Then use the z-score to determine which businesses were outliers with respect to percent change in profit.Compute the sample correlation coefficient, showing the relationship between percent change in profit and each of the other two variables (2015-2016 Two-Year Change in Daily Average Customer Visits and Two-Year Average Number of Employees). Explain what the correlation coefficients tell us about the three pairs of relationships. Use tables, charts, or graphs to support your conclusions. Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements (Links to an external site.)Links to an external site.. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. An example paper is provided in the MTH410 Guide to Writing with Statistics. (link provided in the Modules Tab)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.)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.Document formatting, citations, and style should conform to the CSU-Global Virtual Library CSU-Global Guide to Writing and APA: Introduction (Links to an external site.)Links to an external site.. A short summary containing much that you need to know about paper formatting, citations, and references is contained in the New Sample APA Paper (Links to an external site.)Links to an external site.. In addition, information in the CSU-Global Virtual Library under the Writing Center/APA Resources tab (Links to an external site.)Links to an external site. has many helpful areas (Writing Center, Writing Tips, Template & Examples/Papers & Essays, and others).
MA 215 Grantham University Business Statistics Wk3 Probability Project
Business Statistics – Week #3 AssignmentWeek 3 Project AssignmentFor these project assignments throughout the course you ...
MA 215 Grantham University Business Statistics Wk3 Probability Project
Business Statistics – Week #3 AssignmentWeek 3 Project AssignmentFor these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet. Download it here.Using the ROI data set:If we select 7 colleges from a major and then record whether they are of ‘School Type’ ‘Private’ or not, is this experiment a binomial one? Why or why not?For each of the 2 majors determine if the ‘Annual % ROI’ appears to be normally distributed. Consider the shape of the histogram and the measures of central tendency (mean and median) to justify your results. Report on each of these with charts and calculations to justify your answers.
Cuyamaca Descriptive Statistics Two Way Tables & Percentages Final Project
Question 1 – Descriptive Statistics Describe the distribution of credit card debt separated by gender using concepts fr ...
Cuyamaca Descriptive Statistics Two Way Tables & Percentages Final Project
Question 1 – Descriptive Statistics Describe the distribution of credit card debt separated by gender using concepts from Unit 2 (Modules 4-7).Make an appropriate graph and provide appropriate numerical summaries. Describe the shape, center and spread using numerical measures that best describe the distribution.In your description, include an interval of typical values and a discussion of variability.Embed your StatCrunch graph in your response. Do the data suggest that males or females are more likely to have higher credit card debt?Use the data to support your answer. Question 2 – Two-Way Tables & Percentages Use StatCrunch to produce a two-way contingency table as we did in Unit 3 (Module 8).Use the row variable “gender” and column variable “class”.Analyze the data in your two-way table by finding appropriate percentages for each bullet point below. Write each conditional percentage as a ratio (e.g. 25 out of 40) and as a percentage (e.g. 25/40 = 62.5%). What percentage of students are females?What percentage of students are males and seniors?What percentage of female students are sophomores?What percentage of first-year students are male? Copy the table in your StatCrunch output window and paste it in your response. After you paste the content of your StatCrunch output window into your discussion post, keep the table titled Contingency table results and delete the Chi-Square results table. Question 3 – Confidence Intervals Of the students randomly chosen for your data set, find the percent of students that do not work any amount. Use the percentage in part a) to create a 95% confidence interval estimate for the percentage of all college students who do not work. (see concepts in Units 6 & 7 – Modules 14-19)Show your work. You can either use the math-type feature in Canvas to write out your steps or you can take a picture and upload handwritten work.Interpret your confidence interval in complete sentences. “We are 95% confident that…”What is the margin of error for the confidence interval you found?What could you do to make the confidence interval more precise/smaller?Explain using complete sentences. Question 4 – Hypothesis Tests Based on a recent study of college students, the average student loan debt amount is $4000. Is the mean student loan debt higher at StatCrunchU? Include each of the following in your response. (see concepts in Units 7 & 8 – Modules 17-23)State your hypotheses in symbolic form and in words.Verify that normality conditions are met. Which test are you using? Why?Use StatCrunch to conduct the hypothesis test. Copy and paste the results (the StatCrunch output window) into your response.Give your P-value and interpret its meaning.State a conclusion that answers the research question. Use a significance level of 5%. this is the Data sethttps://www.statcrunch.com/app/index.php?launch=st...
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Most Popular Content
Business Profits
The research firm LL Research collected data from 200 client businesses. They want to determine how the businesses compare ...
Business Profits
The research firm LL Research collected data from 200 client businesses. They want to determine how the businesses compare among four variables:2015 Profit in millions of dollars2016 Profit in millions of dollars2015-2016 Two-Year Change in Daily Average Customer Visits Two-Year Average Number of EmployeesData collected for the sample of 200 businesses is contained in the file named Businesses, linked at the bottom of the page. Use all 200 data points.Managerial ReportPrepare a report (see below) using the numerical methods of descriptive statistics presented in this module to learn how each of the variables contributes to the success of a client business. Be sure to include the following three items in your report.Find descriptive sample statistics (mean, median, two quartiles Q1 and Q3, minimum, maximum, range, sample standard deviation, and coefficient of variation) for each of the four variables along with an explanation of what the descriptive statistics tell us about the client businesses.Compute the percent change in profit from 2015 to 2016 for each business. Then use the z-score to determine which businesses were outliers with respect to percent change in profit.Compute the sample correlation coefficient, showing the relationship between percent change in profit and each of the other two variables (2015-2016 Two-Year Change in Daily Average Customer Visits and Two-Year Average Number of Employees). Explain what the correlation coefficients tell us about the three pairs of relationships. Use tables, charts, or graphs to support your conclusions. Write a report that adheres to the Written Assignment Requirements under the heading “Expectations for CSU-Global Written Assignments” found in the CSU-Global Guide to Writing and APA Requirements (Links to an external site.)Links to an external site.. As with all written assignments at CSU-Global, you should have in-text citations and a reference page. An example paper is provided in the MTH410 Guide to Writing with Statistics. (link provided in the Modules Tab)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.)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.Document formatting, citations, and style should conform to the CSU-Global Virtual Library CSU-Global Guide to Writing and APA: Introduction (Links to an external site.)Links to an external site.. A short summary containing much that you need to know about paper formatting, citations, and references is contained in the New Sample APA Paper (Links to an external site.)Links to an external site.. In addition, information in the CSU-Global Virtual Library under the Writing Center/APA Resources tab (Links to an external site.)Links to an external site. has many helpful areas (Writing Center, Writing Tips, Template & Examples/Papers & Essays, and others).
MA 215 Grantham University Business Statistics Wk3 Probability Project
Business Statistics – Week #3 AssignmentWeek 3 Project AssignmentFor these project assignments throughout the course you ...
MA 215 Grantham University Business Statistics Wk3 Probability Project
Business Statistics – Week #3 AssignmentWeek 3 Project AssignmentFor these project assignments throughout the course you will need to reference the data in the ROI Excel spreadsheet. Download it here.Using the ROI data set:If we select 7 colleges from a major and then record whether they are of ‘School Type’ ‘Private’ or not, is this experiment a binomial one? Why or why not?For each of the 2 majors determine if the ‘Annual % ROI’ appears to be normally distributed. Consider the shape of the histogram and the measures of central tendency (mean and median) to justify your results. Report on each of these with charts and calculations to justify your answers.
Cuyamaca Descriptive Statistics Two Way Tables & Percentages Final Project
Question 1 – Descriptive Statistics Describe the distribution of credit card debt separated by gender using concepts fr ...
Cuyamaca Descriptive Statistics Two Way Tables & Percentages Final Project
Question 1 – Descriptive Statistics Describe the distribution of credit card debt separated by gender using concepts from Unit 2 (Modules 4-7).Make an appropriate graph and provide appropriate numerical summaries. Describe the shape, center and spread using numerical measures that best describe the distribution.In your description, include an interval of typical values and a discussion of variability.Embed your StatCrunch graph in your response. Do the data suggest that males or females are more likely to have higher credit card debt?Use the data to support your answer. Question 2 – Two-Way Tables & Percentages Use StatCrunch to produce a two-way contingency table as we did in Unit 3 (Module 8).Use the row variable “gender” and column variable “class”.Analyze the data in your two-way table by finding appropriate percentages for each bullet point below. Write each conditional percentage as a ratio (e.g. 25 out of 40) and as a percentage (e.g. 25/40 = 62.5%). What percentage of students are females?What percentage of students are males and seniors?What percentage of female students are sophomores?What percentage of first-year students are male? Copy the table in your StatCrunch output window and paste it in your response. After you paste the content of your StatCrunch output window into your discussion post, keep the table titled Contingency table results and delete the Chi-Square results table. Question 3 – Confidence Intervals Of the students randomly chosen for your data set, find the percent of students that do not work any amount. Use the percentage in part a) to create a 95% confidence interval estimate for the percentage of all college students who do not work. (see concepts in Units 6 & 7 – Modules 14-19)Show your work. You can either use the math-type feature in Canvas to write out your steps or you can take a picture and upload handwritten work.Interpret your confidence interval in complete sentences. “We are 95% confident that…”What is the margin of error for the confidence interval you found?What could you do to make the confidence interval more precise/smaller?Explain using complete sentences. Question 4 – Hypothesis Tests Based on a recent study of college students, the average student loan debt amount is $4000. Is the mean student loan debt higher at StatCrunchU? Include each of the following in your response. (see concepts in Units 7 & 8 – Modules 17-23)State your hypotheses in symbolic form and in words.Verify that normality conditions are met. Which test are you using? Why?Use StatCrunch to conduct the hypothesis test. Copy and paste the results (the StatCrunch output window) into your response.Give your P-value and interpret its meaning.State a conclusion that answers the research question. Use a significance level of 5%. this is the Data sethttps://www.statcrunch.com/app/index.php?launch=st...
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