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Week 3 Project Guideline
The following chart is the years of life expected at birth, as estimated by the National 1. Discuss the potential paramete ...
Week 3 Project Guideline
The following chart is the years of life expected at birth, as estimated by the National 1. Discuss the potential parameters necessary to model the ...
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a depend ...
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a dependent/paired t-tests. T-testsA teacher is interested in knowing whether different students in her class have different levels of statistics knowledge at the beginning of the course and whether they gain knowledge in statistics over the course of her class. She administered a survey to all of her students asking whether they are pursuing a masters degree or Ph.D. (“Degree”) and entered that information along with their scores on a statistics pre-test (“PreTest”). At the end of the course, she administered the same test again and entered their scores (“PostTest”).For this assignment use StatPrePost.savAnswer questions 1-3 for each of the following two scenarios: Scenario 1: Is there a statistically significant difference between masters degree students and Ph.D. students in terms of statistics knowledge at the beginning of the course?Scenario 2: Is there a statistically significant difference between students’ statistics knowledge at the beginning and the end of the course?Report whether an independent samples or dependent/paired samples t-test should be used.Run the appropriate t-test (include Levene's test for homogeneity of variances for the independent t-test). Report the obtained t value, degrees of freedom (df), and significance level (p-value) for this t-test? If the Levene's test was run, report test statistic and significance level (p-value) for this test.What conclusion should the investigator draw on the basis of this test with regard to the null hypothesis if the alpha is set at .05?Submit your answers to #1-3 in a Word document. Use a page break to separate the independent and dependent t-test sections and label each section accordingly. Please upload your file to Blackboard using the Attach File option.
QSO-510 Statistic, homework help
You are a human resources (HR) analyst reporting to a recently hired supervisor. Your supervisor has asked you to provide ...
QSO-510 Statistic, homework help
You are a human resources (HR) analyst reporting to a recently hired supervisor. Your supervisor has asked you to provide an example of data processed by HR. Describe one type of data that an HR department may process, and discuss a corresponding statistical method that may be used to summarize the data. Requirements - 3-4 paragraphs
STAT2002 Week 1 Walden University How Probability Distributions Affect Decisions
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you plan ...
STAT2002 Week 1 Walden University How Probability Distributions Affect Decisions
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you planned to rent instead of buy). Your main concerns are the affordability in relation to your income and the location/condition of the property. Perhaps you would look for the cheapest rent possible within a quiet, residential community. Or, you might be willing to spend at little more than average to live in the heart of downtown. As you research the city, you learn that the mean for rents of your preferred home size are $1,300 a month. Many people might base their decision on this number alone, but you—equipped with the knowledge of standard deviation—know there is more to that number.If the most you could afford is $1,100 a month in rent, then a standard deviation of $250 might be good news because the amount you can afford is still within 1 deviation of the mean. With a standard deviation of $75, however, you might be unwilling to make the sacrifices necessary to rent a place that you could afford. Additionally, if you were willing to spend a little more than average to live in a nice place or area, then you could easily find an amazing place with a standard deviation of $100 but might not be able to afford the upgrade with a standard deviation of $300.In this Discussion, you will use the data that you gathered in the Week 1 Discussion to calculate a standard deviation and explain how this concept can affect decision making.To prepare for this Discussion:Review this week’s Learning Resources.Locate the data that you gathered for the Week 1 Discussion.Calculate the sample standard deviation from your cigarette price data in Week 1. Use that (and your sample average and sample size) to calculate the following (assuming a normal distribution):Within what range would you find 90% of cigarette prices in your area?What are the chances that someone in your area would pay 4 dollars or less per pack?What are the chances that someone in your area would pay 10 dollars or less per pack?Review the Academic Writing Expectations for 2000/3000-Level Courses, provided in this week’s Learning Resources.BY DAY 3Post a 150- to 225-word (2- to 3-paragraph) explanation of how probability distributions affect management decisions. In your explanation, address the following:Provide your results of the following:Your calculations for your standard deviationThe range within which 90% of the prices of cigarettes in your area fallsThe chances of anyone paying less than 4 dollars for a pack of cigarettesThe chances of anyone paying more than 10 dollars for a pack of cigarettesDescribe what implications this concept has for management decision making.Explain how you might use information like this in your current work.To support your response, be sure to reference at least one properly cited scholarly source.Refer to the Week 3 Discussion Rubric for specific grading elements and criteria. Your Instructor will use this grading rubric to assess your work.Read some of your colleagues’ postings.BY DAY 5Respond with at least 75 words (1 paragraph) each to two or more of your colleagues’ postings by doing one of the following:Compare your results with your colleague’s results. If his or her results were very similar, combine your data and recalculate to get an estimate based on a larger sample. Explain what advantage this might have.Explain whether you agree or agree with your colleague’s ideas around statistics and management decisions. Did your peer miss any important points or raise any points you had not considered?
7 pages
20201024192828week10
The "crmrte" variable is crime rate. d87 is the variable that equal 1 if it is in 1987 and 0 if in 1982. Which of the foll ...
20201024192828week10
The "crmrte" variable is crime rate. d87 is the variable that equal 1 if it is in 1987 and 0 if in 1982. Which of the following statements is the most ...
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Most Popular Content
7 pages
Week 3 Project Guideline
The following chart is the years of life expected at birth, as estimated by the National 1. Discuss the potential paramete ...
Week 3 Project Guideline
The following chart is the years of life expected at birth, as estimated by the National 1. Discuss the potential parameters necessary to model the ...
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a depend ...
Group Statistics and Independent Samples Test Project
For this assignment you will complete two separate investigations: one that uses an independent and one that uses a dependent/paired t-tests. T-testsA teacher is interested in knowing whether different students in her class have different levels of statistics knowledge at the beginning of the course and whether they gain knowledge in statistics over the course of her class. She administered a survey to all of her students asking whether they are pursuing a masters degree or Ph.D. (“Degree”) and entered that information along with their scores on a statistics pre-test (“PreTest”). At the end of the course, she administered the same test again and entered their scores (“PostTest”).For this assignment use StatPrePost.savAnswer questions 1-3 for each of the following two scenarios: Scenario 1: Is there a statistically significant difference between masters degree students and Ph.D. students in terms of statistics knowledge at the beginning of the course?Scenario 2: Is there a statistically significant difference between students’ statistics knowledge at the beginning and the end of the course?Report whether an independent samples or dependent/paired samples t-test should be used.Run the appropriate t-test (include Levene's test for homogeneity of variances for the independent t-test). Report the obtained t value, degrees of freedom (df), and significance level (p-value) for this t-test? If the Levene's test was run, report test statistic and significance level (p-value) for this test.What conclusion should the investigator draw on the basis of this test with regard to the null hypothesis if the alpha is set at .05?Submit your answers to #1-3 in a Word document. Use a page break to separate the independent and dependent t-test sections and label each section accordingly. Please upload your file to Blackboard using the Attach File option.
QSO-510 Statistic, homework help
You are a human resources (HR) analyst reporting to a recently hired supervisor. Your supervisor has asked you to provide ...
QSO-510 Statistic, homework help
You are a human resources (HR) analyst reporting to a recently hired supervisor. Your supervisor has asked you to provide an example of data processed by HR. Describe one type of data that an HR department may process, and discuss a corresponding statistical method that may be used to summarize the data. Requirements - 3-4 paragraphs
STAT2002 Week 1 Walden University How Probability Distributions Affect Decisions
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you plan ...
STAT2002 Week 1 Walden University How Probability Distributions Affect Decisions
Imagine if you were offered a job in a different state and a major consideration for you is rent prices (assuming you planned to rent instead of buy). Your main concerns are the affordability in relation to your income and the location/condition of the property. Perhaps you would look for the cheapest rent possible within a quiet, residential community. Or, you might be willing to spend at little more than average to live in the heart of downtown. As you research the city, you learn that the mean for rents of your preferred home size are $1,300 a month. Many people might base their decision on this number alone, but you—equipped with the knowledge of standard deviation—know there is more to that number.If the most you could afford is $1,100 a month in rent, then a standard deviation of $250 might be good news because the amount you can afford is still within 1 deviation of the mean. With a standard deviation of $75, however, you might be unwilling to make the sacrifices necessary to rent a place that you could afford. Additionally, if you were willing to spend a little more than average to live in a nice place or area, then you could easily find an amazing place with a standard deviation of $100 but might not be able to afford the upgrade with a standard deviation of $300.In this Discussion, you will use the data that you gathered in the Week 1 Discussion to calculate a standard deviation and explain how this concept can affect decision making.To prepare for this Discussion:Review this week’s Learning Resources.Locate the data that you gathered for the Week 1 Discussion.Calculate the sample standard deviation from your cigarette price data in Week 1. Use that (and your sample average and sample size) to calculate the following (assuming a normal distribution):Within what range would you find 90% of cigarette prices in your area?What are the chances that someone in your area would pay 4 dollars or less per pack?What are the chances that someone in your area would pay 10 dollars or less per pack?Review the Academic Writing Expectations for 2000/3000-Level Courses, provided in this week’s Learning Resources.BY DAY 3Post a 150- to 225-word (2- to 3-paragraph) explanation of how probability distributions affect management decisions. In your explanation, address the following:Provide your results of the following:Your calculations for your standard deviationThe range within which 90% of the prices of cigarettes in your area fallsThe chances of anyone paying less than 4 dollars for a pack of cigarettesThe chances of anyone paying more than 10 dollars for a pack of cigarettesDescribe what implications this concept has for management decision making.Explain how you might use information like this in your current work.To support your response, be sure to reference at least one properly cited scholarly source.Refer to the Week 3 Discussion Rubric for specific grading elements and criteria. Your Instructor will use this grading rubric to assess your work.Read some of your colleagues’ postings.BY DAY 5Respond with at least 75 words (1 paragraph) each to two or more of your colleagues’ postings by doing one of the following:Compare your results with your colleague’s results. If his or her results were very similar, combine your data and recalculate to get an estimate based on a larger sample. Explain what advantage this might have.Explain whether you agree or agree with your colleague’s ideas around statistics and management decisions. Did your peer miss any important points or raise any points you had not considered?
7 pages
20201024192828week10
The "crmrte" variable is crime rate. d87 is the variable that equal 1 if it is in 1987 and 0 if in 1982. Which of the foll ...
20201024192828week10
The "crmrte" variable is crime rate. d87 is the variable that equal 1 if it is in 1987 and 0 if in 1982. Which of the following statements is the most ...
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