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BUS520 TUI Business Analytics and Decision Making Excel Spreadsheet
Module 2 - SLPCONFIDENCE INTERVALS AND HYPOTHESIS TESTINGAssume once again that you are a consultant who works for the Dil ...
BUS520 TUI Business Analytics and Decision Making Excel Spreadsheet
Module 2 - SLPCONFIDENCE INTERVALS AND HYPOTHESIS TESTINGAssume once again that you are a consultant who works for the Diligent Consulting Group. You are continuing to work on the analysis of the customer database from Module 1.SLP Assignment ExpectationsComplete the following tasks in the Module 2 SLP assignment template. Watch the following video for detailed, step-by-step instructions on completing this assignment:Generate a 95% confidence interval for the following two variables by hand: "Annual Amount Spent on Organic Food" and "Age."Generate a 95% confidence interval for the following two variables using the Excel formula =CONFIDENCE.T(): Annual Income and Number of People in the Household.Interpret the confidence intervals for each of the variables.The client insists the average income of his organic food customers is $150,000. Conduct a hypothesis test at the 0.10 level to test his statement. What is your decision?Privacy Policy | ContactModule 2 - BackgroundCONFIDENCE INTERVALS AND HYPOTHESIS TESTINGRequired ReadingThe primary resource for this module is Introductory Business Statistics, by Alexander, Illowsky, and Dean.Alexander, H., Illowsky, B., & Dean, S. (2017). Introductory Business Statistics. Openstax. Retrieved from https://openstax.org/details/books/introductory-business-statisticsFor Module 2, you should read through the following material in this textbook. There is quite a bit of detailed material in this module, so please start early.Chapter 7: The Central Limit TheoremSections 7.1 and 7.2 onlyThis chapter explains sampling distributions and the Central Limit Theorem.Chapter 8: Confidence IntervalsSections 8.1, 8.2, and 8.3 onlyThis chapter explains how to calculate confidence intervals for population means and proportions.Chapter 9: Hypothesis Testing with One SampleThis chapter introduces hypothesis testing, including the general steps and how to conduct one-sample tests.Chapter 10: Hypothesis Testing with Two SamplesSections 10.1, 10.3, and 10.6 onlyThis chapter expands on Chapter 9 material and focuses on two-sample tests. There are five tests introduced in this chapter, but we will only focus on three of them.
In this problem, you will have to determine the appropriate t-test for the problem and then interpre
In this problem, you will have to determine the appropriate t-test for the problem and then interpret the results.Assume t ...
In this problem, you will have to determine the appropriate t-test for the problem and then interpre
In this problem, you will have to determine the appropriate t-test for the problem and then interpret the results.Assume the data in tab 11.a (Cancer mortality) represent data on cancer mortality rates for the communities in your hospital’s service area. Perform a statistical test to determine if the average cancer mortality in the rural communities is different from the average mortality in the urban communities. (Assume the mortality rates are normally distributed.) Offer an interpretation of your results. Remember to describe the mean cancer mortality rates. (4 points)Does this problem call for a one-tailed test or a two-tailed test? (1 point)Using the data in tab 11.b (Weight loss), test whether the average weight of patients attending your new weight loss clinic has changed as a result of attending the clinic. That is, is the average weight of patients after attending the clinic different from the average weight before attending? Report the average weight of these patients before and after attending the clinic and interpret the results of the statistical test(s) performed. (5 points)In this problem, you will apply the appropriate t-test to compare the mean time required to process clinical records before and after the introduction of a new method for this work. Note, assume the same records were processed before and after the introduction of the new procedure. Using data in Tab 12. (Processing time), evaluate the following:Test whether the intervention designed by a clever intern to reduce the time required to process billing forms made a difference. (That is, test whether the mean processing time after the intervention is different from the mean before the intervention.) Report your results and offer an interpretation of the statistical test(s) performed. (5 points)Would your conclusion be different if you were asked to test whether mean processing time after the intervention was less than mean processing time before the intervention? Describe how you interpret your results under these conditions. (Hint: this is a one-tailed problem.) (5 points)In this problem, you will choose the appropriate t-test for your evaluation and decide if each hypothesis requires a one- or a two-tailed test. Assume the data in Tab 13.(ER Wait times) are the time spent waiting to be seen by a physician for two groups of patients. One group were considered to have true emergencies and the other group were triaged as requiring only urgent care.Test the hypothesis that the time spent waiting does not depend on the reason for admission to the ER (true emergency v. needing urgent care). Report your results and interpret the statistical test. Does this hypothesis call for a two-tailed test or a one-tailed test? (5 points)Test the hypothesis that waiting time for patients with true emergencies was less than the waiting time for patients only needing urgent care. (Note the specific hypothesis to be tested here.) Interpret the results of the proper statistical test and justify your answer. Does this hypothesis call for a one-tailed or a two-tailed test? Please justify your answer. (5 points)
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BUS520 TUI Business Analytics and Decision Making Excel Spreadsheet
Module 2 - SLPCONFIDENCE INTERVALS AND HYPOTHESIS TESTINGAssume once again that you are a consultant who works for the Dil ...
BUS520 TUI Business Analytics and Decision Making Excel Spreadsheet
Module 2 - SLPCONFIDENCE INTERVALS AND HYPOTHESIS TESTINGAssume once again that you are a consultant who works for the Diligent Consulting Group. You are continuing to work on the analysis of the customer database from Module 1.SLP Assignment ExpectationsComplete the following tasks in the Module 2 SLP assignment template. Watch the following video for detailed, step-by-step instructions on completing this assignment:Generate a 95% confidence interval for the following two variables by hand: "Annual Amount Spent on Organic Food" and "Age."Generate a 95% confidence interval for the following two variables using the Excel formula =CONFIDENCE.T(): Annual Income and Number of People in the Household.Interpret the confidence intervals for each of the variables.The client insists the average income of his organic food customers is $150,000. Conduct a hypothesis test at the 0.10 level to test his statement. What is your decision?Privacy Policy | ContactModule 2 - BackgroundCONFIDENCE INTERVALS AND HYPOTHESIS TESTINGRequired ReadingThe primary resource for this module is Introductory Business Statistics, by Alexander, Illowsky, and Dean.Alexander, H., Illowsky, B., & Dean, S. (2017). Introductory Business Statistics. Openstax. Retrieved from https://openstax.org/details/books/introductory-business-statisticsFor Module 2, you should read through the following material in this textbook. There is quite a bit of detailed material in this module, so please start early.Chapter 7: The Central Limit TheoremSections 7.1 and 7.2 onlyThis chapter explains sampling distributions and the Central Limit Theorem.Chapter 8: Confidence IntervalsSections 8.1, 8.2, and 8.3 onlyThis chapter explains how to calculate confidence intervals for population means and proportions.Chapter 9: Hypothesis Testing with One SampleThis chapter introduces hypothesis testing, including the general steps and how to conduct one-sample tests.Chapter 10: Hypothesis Testing with Two SamplesSections 10.1, 10.3, and 10.6 onlyThis chapter expands on Chapter 9 material and focuses on two-sample tests. There are five tests introduced in this chapter, but we will only focus on three of them.
In this problem, you will have to determine the appropriate t-test for the problem and then interpre
In this problem, you will have to determine the appropriate t-test for the problem and then interpret the results.Assume t ...
In this problem, you will have to determine the appropriate t-test for the problem and then interpre
In this problem, you will have to determine the appropriate t-test for the problem and then interpret the results.Assume the data in tab 11.a (Cancer mortality) represent data on cancer mortality rates for the communities in your hospital’s service area. Perform a statistical test to determine if the average cancer mortality in the rural communities is different from the average mortality in the urban communities. (Assume the mortality rates are normally distributed.) Offer an interpretation of your results. Remember to describe the mean cancer mortality rates. (4 points)Does this problem call for a one-tailed test or a two-tailed test? (1 point)Using the data in tab 11.b (Weight loss), test whether the average weight of patients attending your new weight loss clinic has changed as a result of attending the clinic. That is, is the average weight of patients after attending the clinic different from the average weight before attending? Report the average weight of these patients before and after attending the clinic and interpret the results of the statistical test(s) performed. (5 points)In this problem, you will apply the appropriate t-test to compare the mean time required to process clinical records before and after the introduction of a new method for this work. Note, assume the same records were processed before and after the introduction of the new procedure. Using data in Tab 12. (Processing time), evaluate the following:Test whether the intervention designed by a clever intern to reduce the time required to process billing forms made a difference. (That is, test whether the mean processing time after the intervention is different from the mean before the intervention.) Report your results and offer an interpretation of the statistical test(s) performed. (5 points)Would your conclusion be different if you were asked to test whether mean processing time after the intervention was less than mean processing time before the intervention? Describe how you interpret your results under these conditions. (Hint: this is a one-tailed problem.) (5 points)In this problem, you will choose the appropriate t-test for your evaluation and decide if each hypothesis requires a one- or a two-tailed test. Assume the data in Tab 13.(ER Wait times) are the time spent waiting to be seen by a physician for two groups of patients. One group were considered to have true emergencies and the other group were triaged as requiring only urgent care.Test the hypothesis that the time spent waiting does not depend on the reason for admission to the ER (true emergency v. needing urgent care). Report your results and interpret the statistical test. Does this hypothesis call for a two-tailed test or a one-tailed test? (5 points)Test the hypothesis that waiting time for patients with true emergencies was less than the waiting time for patients only needing urgent care. (Note the specific hypothesis to be tested here.) Interpret the results of the proper statistical test and justify your answer. Does this hypothesis call for a one-tailed or a two-tailed test? Please justify your answer. (5 points)
13 pages
Psy1110 Online Final Exam Summer
-The exam will be graded out of 100 total points Write answers for the following and submit them via email according to th ...
Psy1110 Online Final Exam Summer
-The exam will be graded out of 100 total points Write answers for the following and submit them via email according to the schedule in the
Trigonometry MyMath Lab
1/ Homework 22 on 8.1 due 07-28-2/ Homework 23 on 8.2 due 07-28 3/ Homework 24 on 8.3 due 07-294/ Homework 25 on 8.4 due 0 ...
Trigonometry MyMath Lab
1/ Homework 22 on 8.1 due 07-28-2/ Homework 23 on 8.2 due 07-28 3/ Homework 24 on 8.3 due 07-294/ Homework 25 on 8.4 due 07-29 5/ Homework 26 on 8.5 6/ Quiz 4 on Chapter 87/ Test 3 on chapter88/ Comprehensive Make up Quiz, will substitute any missed or lower grade quiz
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