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CSU Week 2 Statistics Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms ...
CSU Week 2 Statistics Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.Below are excel functions, which you can use to solve for measures of central tendency and variability. You can use the formulas too; but, they will be time consuming.EXCEL FUNCTIONSMeasures of Central TendencySuppose data are in cells A1 to A10Mean =AVERAGE(A1:A10)Median =MEDIAN(A1:A10)Mode =MODE(A1:A10)Measures of VariabilitySuppose data are in cells A1 to A10Range =MAX(A1:A10)-MIN(A1:A10)IQR =QUARTILE.EXC(A1:A10,3)-QUARTILE.EXC(A1:A10,1)Population Variance σ2 =VAR.P(A1:A10)Sample Variance s2 =VAR(A1:A10) or VAR.S(A1:A10)Population Standard Deviation σ =STDEV.P(A1:A10)Sample Standard Deviation s =STDEV(A1:A10) or STDEV.S(A1:A10)Joe and Mary would like to buy their first home in a new city. Below is the list of prices of 20 homes for sale.
Prices in US Dollars140190265115270240250180160200240280175200310195320105385265
Find the mean, median, mode. (2 pts)Which measure of central tendency best represent the data? Why? (2 pts)Are there any outliers? If so, name the outlier. (2 pts)The ages of students in a statistics class are listed below.
Age of students2220252327301831194545193627192633403524
Create a stem plot (2 pts)What is the mean age of the student? (2 pts)Jenny likes to have at least a 70% average to pass her statistics class. Her previous four test scores are 52%, 66%, 76% and 71%. What is the minimum score Heidi needs on the final exam to pass the class? (4 pts)Consider the following data and corresponding weights.
Xi Weight (wi )3.152.332.8244
Compute the weighted mean. (2 pts)Compute the mean without weighting. (2 pts)The chart below represents the amount of rainfall for 15 days in northern Ohio in July.
Rainfall in inches 4.14.23.53.94.24.43.83.73.53.44.33.24.34.5 4
Complete the frequency table. (2 pts)
Rainfall in inchesFrequencyLess than 3.03.0-3.43.5-3.94.0-4.5Find the mean of the raw data. (2 pts)Find the median of the raw data. (2 pts)Find the mode of the raw data. (2 pts)Consider a sample with data values of 27, 25, 20, 15, 30, 34, 28 and 25.What is the minimum? (2 pts)What is the first quartile? (2 pts)What is the median? (2 pts)What is the third quartile? (2 pts)What is the maximum? (2 pts)Create the box plot for the data in #6. Label the five points on the box. (4 pts)Using the data in #6.What is the range? (2 pts)What is the interquartile range (IQR)? (2 pts)The histogram of a quantitative variable is positively skewed. The mean of the variable is 35.Which one of the following is a more likely value of the median? (2 pts)553035Support your answer. (2 pts)A histogram of a given data shows three clear peaks. This may mean that (4 pts)
There are three distinct groups in the dataThere are three modes in the dataBoth a and b are correct
FNU Statistics Worksheet
Chapter 5:1) A gambler claimed that he had loaded a die so that it would hardly ever come up 1. He said the outcomes of 1, ...
FNU Statistics Worksheet
Chapter 5:1) A gambler claimed that he had loaded a die so that it would hardly ever come up 1. He said the outcomes of 1, 2, 3, 4, 5, 6 would have probabilities 1/20, 1/6, 1/6, 1/6, 1/6, 1/6 respectively. Can he do what he claimed? Why or why not? Is a probability distribution described by listing the outcomes along with their corresponding probabilities? Why or why not?Chapter 6:1) Explain how a nonstandard normal distribution differs from the standard normal distribution. Describe the process for finding probabilities for nonstandard normal distributions. Illustrate with examples2) The distribution of certain test scores is a nonstandard normal distribution with a mean of 50 and a standard deviation of 6. What are the values of the mean and standard deviation after all test scores have been standardized by converting them to z scores using z = (x - μ)/σ. Select a choice:A) The mean is 0 and the standard deviation is 1.B) The mean is 10 and the standard deviation is 100.C) The mean is 1 and the standard deviation is 0.D) The mean is 100 and the standard deviation is 10Additionally, 2) Respond to another student's post explaining the reason for your agreement or disagreement or why you think the post is important. 203) Respond to two or more posts explaining the reason for your agreement or disagreement or why you think the post is important. 20
Colorado Technical University Healthcare Statistics & Research Project 4
Health care organizations such as Choice Hospital must keep up to
date with new initiatives related to reimbursement by ...
Colorado Technical University Healthcare Statistics & Research Project 4
Health care organizations such as Choice Hospital must keep up to
date with new initiatives related to reimbursement by third-party payers
for services provided. This is especially true for Medicare
reimbursement and initiatives tied to legislation such as the Affordable
Care Act and the 21st Century Cures Act. You are working with the chief financial officer and his team on two
types of statistics related to Medicare reimbursement initiatives:Medicare spending per beneficiary (MSPB)
Hospital readmission rates You will be working with the finance team to prepare a presentation
for the CEO and executive leadership team to help them understand these
requirements. Your presentation should be 5-7 slides (100-150 words per
slide, not including the title and reference slides) with APA
formatting. Cite at least 2 scholarly reference articles or government
publications that were published within the last 3-5 years.Your presentation should address the following for both the MSPB and hospital readmission rate statistics:Describe the Medicare program or initiative that uses the statistic.
Is it an incentive- or penalty-type program related to the rate of Medicare reimbursement?
Are the statistics and the program or initiative tied to performance, for example improving quality of care? If so, how?
Which legislation is authorizing the Centers for Medicare and Medicaid Services (CMS) to initiate these programs?
Define the statistic and how it is calculated.
Provide examples of these statistics from publications or
government sites. For many of the CMS initiatives, data for health care
institutions is made available through the CMS Hospital Compare Web
site. Cite all references using APA formatting.
4 pages
Statistical Analysis Real Estate
This analysis is done to examine the relationship between the selling price of properties and their sizes in square feet. ...
Statistical Analysis Real Estate
This analysis is done to examine the relationship between the selling price of properties and their sizes in square feet. Pacific region was selected ...
Unit 6 DB Statistics
Decision AnalysisFor the Unit 6 Discussion Board, you will compose a reflective essay to address the following questions:S ...
Unit 6 DB Statistics
Decision AnalysisFor the Unit 6 Discussion Board, you will compose a reflective essay to address the following questions:Scenario: You are a business owner faced with an important decision that could potentially be very lucrative. Keep in mind the “Six Steps in Decision Making” (textbook reference) as you set up your decision analysis.What is the problem and objective of this decision?Identify at least three alternatives and three states of nature.Create a decision table in Excel QM. See video in Live Binder.What are the potential payoff/losses for each alternative and state of nature?Choose two of the five decision strategies, and solve it in Excel QM. State the best alternative for each strategy.OptimisticPessimisticCriterion of realism (Hurwicz)Equally likely (Laplace)Minimax regretWhy did you choose the two strategies? What are the results of the best alternative? What is your final decision?See Example post.After you have contemplated the questions above, draft your reflective essay. Every piece of writing should have an introduction, body, and conclusion. A good way to plan this particular reflective essay is to write an introduction to the essay. Next, write at least three body paragraphs and address each of the points listed above. End your essay with a conclusion paragraph tying all of your ideas together. The essay should be at least five paragraphs in length.You are expected to use outside resources for this essay. Cite outside sources in proper APA format. You can find numerous APA resources in the Writing Center Writing Reference Library on the Research, Citation, and Plagiarism page.Your essay should include a highly developed purpose and viewpoint; it should also be written in Standard American English and demonstrate exceptional content, organization, style, grammar, and mechanics. There should be no evidence of plagiarism. If you are unsure about what constitutes plagiarism, please review the plagiarism policy.First response: Choose a classmate’s post and review the decision analysis table. Add to this table by choosing a risk level for each state of nature (assign a probability value to each).Calculate the EMV for each alternative.Discuss which alternative is best based on the best (maximum) EMV.Calculate the Expected Value with Perfect Information (EVwPI).Calculate the EVPI.Discuss how much money your classmate should pay for perfect information.See Example post.Second response: Choose a classmate’s post and review the decision process. Further the math conversation by taking on the role of the business partner. Would you agree/disagree with the decision strategy? Are there any factors that have been overlooked that would affect the decision process? Would you choose the same two decision strategies under uncertainty?See Example post.
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CSU Week 2 Statistics Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms ...
CSU Week 2 Statistics Questionnaire
Problems need to include all required steps and answer(s) for full credit. All answers need to be reduced to lowest terms where possible. If the answer is in %, show two decimal places.Answer the following problems showing your work and explaining (or analyzing) your results. Submit your work in a typed Microsoft Word document.Below are excel functions, which you can use to solve for measures of central tendency and variability. You can use the formulas too; but, they will be time consuming.EXCEL FUNCTIONSMeasures of Central TendencySuppose data are in cells A1 to A10Mean =AVERAGE(A1:A10)Median =MEDIAN(A1:A10)Mode =MODE(A1:A10)Measures of VariabilitySuppose data are in cells A1 to A10Range =MAX(A1:A10)-MIN(A1:A10)IQR =QUARTILE.EXC(A1:A10,3)-QUARTILE.EXC(A1:A10,1)Population Variance σ2 =VAR.P(A1:A10)Sample Variance s2 =VAR(A1:A10) or VAR.S(A1:A10)Population Standard Deviation σ =STDEV.P(A1:A10)Sample Standard Deviation s =STDEV(A1:A10) or STDEV.S(A1:A10)Joe and Mary would like to buy their first home in a new city. Below is the list of prices of 20 homes for sale.
Prices in US Dollars140190265115270240250180160200240280175200310195320105385265
Find the mean, median, mode. (2 pts)Which measure of central tendency best represent the data? Why? (2 pts)Are there any outliers? If so, name the outlier. (2 pts)The ages of students in a statistics class are listed below.
Age of students2220252327301831194545193627192633403524
Create a stem plot (2 pts)What is the mean age of the student? (2 pts)Jenny likes to have at least a 70% average to pass her statistics class. Her previous four test scores are 52%, 66%, 76% and 71%. What is the minimum score Heidi needs on the final exam to pass the class? (4 pts)Consider the following data and corresponding weights.
Xi Weight (wi )3.152.332.8244
Compute the weighted mean. (2 pts)Compute the mean without weighting. (2 pts)The chart below represents the amount of rainfall for 15 days in northern Ohio in July.
Rainfall in inches 4.14.23.53.94.24.43.83.73.53.44.33.24.34.5 4
Complete the frequency table. (2 pts)
Rainfall in inchesFrequencyLess than 3.03.0-3.43.5-3.94.0-4.5Find the mean of the raw data. (2 pts)Find the median of the raw data. (2 pts)Find the mode of the raw data. (2 pts)Consider a sample with data values of 27, 25, 20, 15, 30, 34, 28 and 25.What is the minimum? (2 pts)What is the first quartile? (2 pts)What is the median? (2 pts)What is the third quartile? (2 pts)What is the maximum? (2 pts)Create the box plot for the data in #6. Label the five points on the box. (4 pts)Using the data in #6.What is the range? (2 pts)What is the interquartile range (IQR)? (2 pts)The histogram of a quantitative variable is positively skewed. The mean of the variable is 35.Which one of the following is a more likely value of the median? (2 pts)553035Support your answer. (2 pts)A histogram of a given data shows three clear peaks. This may mean that (4 pts)
There are three distinct groups in the dataThere are three modes in the dataBoth a and b are correct
FNU Statistics Worksheet
Chapter 5:1) A gambler claimed that he had loaded a die so that it would hardly ever come up 1. He said the outcomes of 1, ...
FNU Statistics Worksheet
Chapter 5:1) A gambler claimed that he had loaded a die so that it would hardly ever come up 1. He said the outcomes of 1, 2, 3, 4, 5, 6 would have probabilities 1/20, 1/6, 1/6, 1/6, 1/6, 1/6 respectively. Can he do what he claimed? Why or why not? Is a probability distribution described by listing the outcomes along with their corresponding probabilities? Why or why not?Chapter 6:1) Explain how a nonstandard normal distribution differs from the standard normal distribution. Describe the process for finding probabilities for nonstandard normal distributions. Illustrate with examples2) The distribution of certain test scores is a nonstandard normal distribution with a mean of 50 and a standard deviation of 6. What are the values of the mean and standard deviation after all test scores have been standardized by converting them to z scores using z = (x - μ)/σ. Select a choice:A) The mean is 0 and the standard deviation is 1.B) The mean is 10 and the standard deviation is 100.C) The mean is 1 and the standard deviation is 0.D) The mean is 100 and the standard deviation is 10Additionally, 2) Respond to another student's post explaining the reason for your agreement or disagreement or why you think the post is important. 203) Respond to two or more posts explaining the reason for your agreement or disagreement or why you think the post is important. 20
Colorado Technical University Healthcare Statistics & Research Project 4
Health care organizations such as Choice Hospital must keep up to
date with new initiatives related to reimbursement by ...
Colorado Technical University Healthcare Statistics & Research Project 4
Health care organizations such as Choice Hospital must keep up to
date with new initiatives related to reimbursement by third-party payers
for services provided. This is especially true for Medicare
reimbursement and initiatives tied to legislation such as the Affordable
Care Act and the 21st Century Cures Act. You are working with the chief financial officer and his team on two
types of statistics related to Medicare reimbursement initiatives:Medicare spending per beneficiary (MSPB)
Hospital readmission rates You will be working with the finance team to prepare a presentation
for the CEO and executive leadership team to help them understand these
requirements. Your presentation should be 5-7 slides (100-150 words per
slide, not including the title and reference slides) with APA
formatting. Cite at least 2 scholarly reference articles or government
publications that were published within the last 3-5 years.Your presentation should address the following for both the MSPB and hospital readmission rate statistics:Describe the Medicare program or initiative that uses the statistic.
Is it an incentive- or penalty-type program related to the rate of Medicare reimbursement?
Are the statistics and the program or initiative tied to performance, for example improving quality of care? If so, how?
Which legislation is authorizing the Centers for Medicare and Medicaid Services (CMS) to initiate these programs?
Define the statistic and how it is calculated.
Provide examples of these statistics from publications or
government sites. For many of the CMS initiatives, data for health care
institutions is made available through the CMS Hospital Compare Web
site. Cite all references using APA formatting.
4 pages
Statistical Analysis Real Estate
This analysis is done to examine the relationship between the selling price of properties and their sizes in square feet. ...
Statistical Analysis Real Estate
This analysis is done to examine the relationship between the selling price of properties and their sizes in square feet. Pacific region was selected ...
Unit 6 DB Statistics
Decision AnalysisFor the Unit 6 Discussion Board, you will compose a reflective essay to address the following questions:S ...
Unit 6 DB Statistics
Decision AnalysisFor the Unit 6 Discussion Board, you will compose a reflective essay to address the following questions:Scenario: You are a business owner faced with an important decision that could potentially be very lucrative. Keep in mind the “Six Steps in Decision Making” (textbook reference) as you set up your decision analysis.What is the problem and objective of this decision?Identify at least three alternatives and three states of nature.Create a decision table in Excel QM. See video in Live Binder.What are the potential payoff/losses for each alternative and state of nature?Choose two of the five decision strategies, and solve it in Excel QM. State the best alternative for each strategy.OptimisticPessimisticCriterion of realism (Hurwicz)Equally likely (Laplace)Minimax regretWhy did you choose the two strategies? What are the results of the best alternative? What is your final decision?See Example post.After you have contemplated the questions above, draft your reflective essay. Every piece of writing should have an introduction, body, and conclusion. A good way to plan this particular reflective essay is to write an introduction to the essay. Next, write at least three body paragraphs and address each of the points listed above. End your essay with a conclusion paragraph tying all of your ideas together. The essay should be at least five paragraphs in length.You are expected to use outside resources for this essay. Cite outside sources in proper APA format. You can find numerous APA resources in the Writing Center Writing Reference Library on the Research, Citation, and Plagiarism page.Your essay should include a highly developed purpose and viewpoint; it should also be written in Standard American English and demonstrate exceptional content, organization, style, grammar, and mechanics. There should be no evidence of plagiarism. If you are unsure about what constitutes plagiarism, please review the plagiarism policy.First response: Choose a classmate’s post and review the decision analysis table. Add to this table by choosing a risk level for each state of nature (assign a probability value to each).Calculate the EMV for each alternative.Discuss which alternative is best based on the best (maximum) EMV.Calculate the Expected Value with Perfect Information (EVwPI).Calculate the EVPI.Discuss how much money your classmate should pay for perfect information.See Example post.Second response: Choose a classmate’s post and review the decision process. Further the math conversation by taking on the role of the business partner. Would you agree/disagree with the decision strategy? Are there any factors that have been overlooked that would affect the decision process? Would you choose the same two decision strategies under uncertainty?See Example post.
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