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write answer without using negative exponents and simplify
(u^4)^-4
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1/u^16................................
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STAT 2002 Walden University Testing a Manufacturers MPG Claim Homework
Note: Last week, you submitted Part 1 of this Assignment. This week, you will complete and submit only Part 2 (including t ...
STAT 2002 Walden University Testing a Manufacturers MPG Claim Homework
Note: Last week, you submitted Part 1 of this Assignment. This week, you will complete and submit only Part 2 (including the Conclusion).Companies often develop and test hypotheses about their products. For example, car manufacturers will test their cars to determine fuel efficiency and miles per gallon. To ensure that products are safe and that they perform as advertised, regulatory and consumer protection groups also test companies’ claims.For this Assignment, you are working at a firm that conducts independent testing for heavy industry. Recently, an automobile manufacturer has been in the news for complaints about the highway gas mileage of their latest model minivan. You receive a contract from a consumer action group to test and write a report on the company’s claim that its minivans get 28 miles per gallon on the highway. The car company agrees to allow you to select randomly 35 low-mileage fleet minivans to test their highway mileage. Your test results gave you the following data: 29.7 24.5 27.1 29.8 29.2 27.0 27.8 24.1 29.3 25.9 26.2 24.5 32.8 26.8 27.8 24.0 23.6 29.2 26.5 27.7 27.1 23.7 24.1 27.2 25.9 26.7 27.8 27.3 27.6 22.8 25.3 26.6 26.4 27.1 26.1To prepare for this Assignment:Refer to last week's Assignment to complete the Conclusion section of this Assignment.Submit Part 2 of your report (including the Conclusion) according to the following prompts.Part 2: Hypothesis Testing: Two-Tail Test and One-Tail TestComplete the following and include your results and responses in your report (use alpha = 0.05):List the null and alternative hypotheses for the two-tail test for the mean. Calculate the observed value of the test statistic and the associated p-value. (75–150 words, or 1–2 paragraphs) Is the observed test statistic in the critical region? Is the p-value higher or lower than your alpha? (75–150 words, or 1–2 paragraphs) Note: Include your calculations. If your calculations are submitted separately, make note of where they can be found.List the null and alternative hypotheses for the one-tail test of the mean. Calculate the observed value of the test statistic and the associated p-value. (75–150 words, or 1–2 paragraphs)Is the observed test statistic in the critical region? Will the p-value be higher or lower than your alpha? (75–150 words, or 1–2 paragraphs)Note: Include your calculations. If your calculations are submitted separately, make note of where they can be found.ConclusionsIn your report, use the confidence interval information and the results of the hypothesis testing to provide support for your conclusions and recommendations to the company. Specifically: What conclusions did you reach? What did you learn about the situation by using each method? Did one method offer more conclusive proof than another? (150–225 words, or 2–3 paragraphs)Based on your results, do you support the company’s claim that their minivans get 28 miles per gallon? (75 words, or 1 paragraph)Summarize the details of your test methods and the results from each statistical method you used. Explain the findings so that executives from both the agency and the company can understand your conclusion. (150–225 words, or 2–3 paragraphs)Finally, present recommendations for actions that the company might take to use your findings to better serve their customers in the future. (75 words, or 1 paragraph)Note: For each prompt, be sure to reference at least one scholarly source to support your answer (6 prompt= 6 citations)
Covenant Hospital Clinic Staffing
Covenant Hospital operates a main hospital and three outlying clinics in a medium-size city. All four locations perform si ...
Covenant Hospital Clinic Staffing
Covenant Hospital operates a main hospital and three outlying clinics in a medium-size city. All four locations perform similar outpatient services, and patients typically visit the location nearest them. The hospital has recently had more congestion—longer waiting lines—than it (or its patients) would like. As part of a study to learn the causes of these long lines and to suggest possible solutions, all locations have kept track of customer arrivals during 1-hour intervals for the past 10 weeks. All locations are open Monday through Friday from 9 a.m. until 5 p.m. and on Saturday from 9 a.m. until noon. For each location, the hospital and clinics collected data that contains the number of customer arrivals during each hour of a 10-week period. The manager of Covenant has hired you to make some sense of these data. Specifically, your task is to present charts and/or tables that indicate how customer traffic into the hospital locations varies by day of week and hour of day. There is also interest in whether any daily or hourly patterns you observe are stable across weeks. Although you don't have full information about the way the hospital currently runs its operations—you know only its customer arrival pattern and the fact that it is currently experiencing long lines—you are encouraged to append any suggestions for improving operations based on your analysis of the data.Review the Covenant Hospital data files. Reflect on what analyses might be required to address the manager's request.The Assignment: (3–5 pages)Submit your answers and embedded Excel analysis as a Microsoft Word management report.Be sure to adhere to APA format when generating your management report.Albright, S. C., & Winston, W. L. (2015). Business analytics: Data analysis and decision making (5th ed.). Stamford, CT: Cengage Learning.
Chapter 1, "Introduction to Data Analysis and Decision Making" (pp. 1–16)Chapter 2, "Describing the Distribution of a Single Variable" (pp. 19–78)Chapter 3, "Finding Relationships Among Variables" (pp. 79–136)Kohane, I. S. (2015). Health care policy: Ten things we have to do to achieve precision medicine. Science, 349(6243), 37–38.Note: Retrieved from the Walden Library databases.Zwitter, A. (2014). Commentary: Big data ethics. Big Data & Society, 1–6.Note: Retrieved from the Walden Library databases.Document: Covenant Data File [Excel spreadsheet]
Find the probability that a student picked from this group at random either has hazel or brown eyes?, statistics homework help
1. In a group of 92 students 40 have brown eyes, 35 have hazel eyes, and 17 have blue eyes. Find the probability that a st ...
Find the probability that a student picked from this group at random either has hazel or brown eyes?, statistics homework help
1. In a group of 92 students 40 have brown eyes, 35 have hazel eyes, and 17 have blue eyes. Find the probability that a student picked from this group at random either has hazel or brown eyes?Enter your answer as a fraction in the form a/b (for example 2/3, 5/7) or as an integer. 2. In a group of 45 boys; 17 own laptop, 19 own desktop computers, and 7 own both. Find the probability that a boy picked from this group at random owns either a laptop or a desktop computer?Enter your answer as a fraction in the form a/b (for example 2/3, 5/7) or as an integer.
Find all rational zeros of each function. h(x) = x4 + 2x3 - 23x2 + 2x - 24 f, assignment help
Find all rational zeros of each function.
h(x) = x4
+ 2x3 - 23x2 + 2x
- 24
f(x) = 5x3
- 29x2 + 55x - 28&n ...
Find all rational zeros of each function. h(x) = x4 + 2x3 - 23x2 + 2x - 24 f, assignment help
Find all rational zeros of each function.
h(x) = x4
+ 2x3 - 23x2 + 2x
- 24
f(x) = 5x3
- 29x2 + 55x - 28
University of Phoenix Null and Alternative Hypothesis & Analysis Question Presentation
Assignment ContentYou are in charge of conducting an analysis for your organization to discover if there is a relationship ...
University of Phoenix Null and Alternative Hypothesis & Analysis Question Presentation
Assignment ContentYou are in charge of conducting an analysis for your organization to discover if there is a relationship between an employee’s performance rating and the number of sick days they take each year. Your coworker has already collected the data and it is ready for you to analyze.Review the data your coworker collected in the Analysis of Correlation Test Data Spreadsheet.First, plan your analysis. Second, conduct your analysis. Third, describe your analysis.Create Microsoft PowerPoint presentation and include speaker notes.**Note: Do not use the note pane feature [do not place your notes in the note pane beneath your slides], instead place all of your speaker notes on your last two or three slides. Use a blank slide layout and use font size 18 for your speaker notes. Total word count for your speaker notes should be around 500 words. Fully explain the following items:Part 1: Planning: What are the null and alternative hypotheses?Where did you obtain your data or who obtained it for you?Part 2: AnalysisWhat are the descriptive statistics for your sample? Include:Sample sizeMeanMedianModeStandard deviationAnalysis Procedures: What did you do to conduct your analysis?Part 3: Results and DiscussionWhat are the test statistics and results? Includet statisticp-valueWhat are the results? Are the results inferable to the population?Do you reject or fail to reject the null hypothesis? Explain.What do the results mean? What is your recommendation to the organization? Support your recommendation with your data analysis evidence.
Standard Error T Stat & P Value Inferential Statistic & Estimation Worksheet
PromptIn a previous lab we tested the following hypotheses, 𝐻0H0: 𝜇=4.73μ=4.73 and 𝐻𝑎Ha: 𝜇<4.73μ<4. ...
Standard Error T Stat & P Value Inferential Statistic & Estimation Worksheet
PromptIn a previous lab we tested the following hypotheses, 𝐻0H0: 𝜇=4.73μ=4.73 and 𝐻𝑎Ha: 𝜇<4.73μ<4.73 (where 𝜇μ is the mean number of alcoholic drinks consumed by students at a liberal arts college).In a random sample of 75 students, the mean was 3.93 alcoholic drinks consumed in a week. Here is the StatCrunch output from the hypothesis test.𝜇μ: Mean of variable𝐻0H0: 𝜇=4.73μ=4.73𝐻𝐴HA: 𝜇≠4.73μ≠4.73Hypothesis test resultsVariableSample MeanStd. Err.DFT-StatP-valuenumber of drinks per week3.9333333 0.43592434 74 -1.8275343 0.0717 Using this context and the StatCrunch output, explain the meaning of each of the following.
Std. Err (standard error)T-stat (T-score)P-valueIn a previous matched pairs lab we tested the following hypotheses, where 𝜇μ is the mean of the differences in corn yield for a plot of land (regular seed minus kiln-dried): H0: µ = 0 and Ha: µ < 0. In a random sample of 11 seeds of each type, the mean of the differences in the sample was -33.7. Here is a StatCrunch print-out of the hypothesis test.Paired T hypothesis test:𝜇𝐷=𝜇1−𝜇2μD=μ1−μ2: Mean of the difference between Regular seed and Kiln-dried seed𝐻0H0: 𝜇𝐷=0μD=0𝐻𝐴HA: 𝜇𝐷<0μD<0
Hypothesis test resultsDifferenceMeanStd. Err.DFT-StatP-valueRegular seed - Kiln-dried seed-33.72727319.95134610-1.69047610.0609Differences stored in column, Differences.Using this context and the StatCrunch output, explain the meaning of each of the following.
Std. Err (standard error)T-stat (T-score)P-value.no outside sources and it should answer all questions
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STAT 2002 Walden University Testing a Manufacturers MPG Claim Homework
Note: Last week, you submitted Part 1 of this Assignment. This week, you will complete and submit only Part 2 (including t ...
STAT 2002 Walden University Testing a Manufacturers MPG Claim Homework
Note: Last week, you submitted Part 1 of this Assignment. This week, you will complete and submit only Part 2 (including the Conclusion).Companies often develop and test hypotheses about their products. For example, car manufacturers will test their cars to determine fuel efficiency and miles per gallon. To ensure that products are safe and that they perform as advertised, regulatory and consumer protection groups also test companies’ claims.For this Assignment, you are working at a firm that conducts independent testing for heavy industry. Recently, an automobile manufacturer has been in the news for complaints about the highway gas mileage of their latest model minivan. You receive a contract from a consumer action group to test and write a report on the company’s claim that its minivans get 28 miles per gallon on the highway. The car company agrees to allow you to select randomly 35 low-mileage fleet minivans to test their highway mileage. Your test results gave you the following data: 29.7 24.5 27.1 29.8 29.2 27.0 27.8 24.1 29.3 25.9 26.2 24.5 32.8 26.8 27.8 24.0 23.6 29.2 26.5 27.7 27.1 23.7 24.1 27.2 25.9 26.7 27.8 27.3 27.6 22.8 25.3 26.6 26.4 27.1 26.1To prepare for this Assignment:Refer to last week's Assignment to complete the Conclusion section of this Assignment.Submit Part 2 of your report (including the Conclusion) according to the following prompts.Part 2: Hypothesis Testing: Two-Tail Test and One-Tail TestComplete the following and include your results and responses in your report (use alpha = 0.05):List the null and alternative hypotheses for the two-tail test for the mean. Calculate the observed value of the test statistic and the associated p-value. (75–150 words, or 1–2 paragraphs) Is the observed test statistic in the critical region? Is the p-value higher or lower than your alpha? (75–150 words, or 1–2 paragraphs) Note: Include your calculations. If your calculations are submitted separately, make note of where they can be found.List the null and alternative hypotheses for the one-tail test of the mean. Calculate the observed value of the test statistic and the associated p-value. (75–150 words, or 1–2 paragraphs)Is the observed test statistic in the critical region? Will the p-value be higher or lower than your alpha? (75–150 words, or 1–2 paragraphs)Note: Include your calculations. If your calculations are submitted separately, make note of where they can be found.ConclusionsIn your report, use the confidence interval information and the results of the hypothesis testing to provide support for your conclusions and recommendations to the company. Specifically: What conclusions did you reach? What did you learn about the situation by using each method? Did one method offer more conclusive proof than another? (150–225 words, or 2–3 paragraphs)Based on your results, do you support the company’s claim that their minivans get 28 miles per gallon? (75 words, or 1 paragraph)Summarize the details of your test methods and the results from each statistical method you used. Explain the findings so that executives from both the agency and the company can understand your conclusion. (150–225 words, or 2–3 paragraphs)Finally, present recommendations for actions that the company might take to use your findings to better serve their customers in the future. (75 words, or 1 paragraph)Note: For each prompt, be sure to reference at least one scholarly source to support your answer (6 prompt= 6 citations)
Covenant Hospital Clinic Staffing
Covenant Hospital operates a main hospital and three outlying clinics in a medium-size city. All four locations perform si ...
Covenant Hospital Clinic Staffing
Covenant Hospital operates a main hospital and three outlying clinics in a medium-size city. All four locations perform similar outpatient services, and patients typically visit the location nearest them. The hospital has recently had more congestion—longer waiting lines—than it (or its patients) would like. As part of a study to learn the causes of these long lines and to suggest possible solutions, all locations have kept track of customer arrivals during 1-hour intervals for the past 10 weeks. All locations are open Monday through Friday from 9 a.m. until 5 p.m. and on Saturday from 9 a.m. until noon. For each location, the hospital and clinics collected data that contains the number of customer arrivals during each hour of a 10-week period. The manager of Covenant has hired you to make some sense of these data. Specifically, your task is to present charts and/or tables that indicate how customer traffic into the hospital locations varies by day of week and hour of day. There is also interest in whether any daily or hourly patterns you observe are stable across weeks. Although you don't have full information about the way the hospital currently runs its operations—you know only its customer arrival pattern and the fact that it is currently experiencing long lines—you are encouraged to append any suggestions for improving operations based on your analysis of the data.Review the Covenant Hospital data files. Reflect on what analyses might be required to address the manager's request.The Assignment: (3–5 pages)Submit your answers and embedded Excel analysis as a Microsoft Word management report.Be sure to adhere to APA format when generating your management report.Albright, S. C., & Winston, W. L. (2015). Business analytics: Data analysis and decision making (5th ed.). Stamford, CT: Cengage Learning.
Chapter 1, "Introduction to Data Analysis and Decision Making" (pp. 1–16)Chapter 2, "Describing the Distribution of a Single Variable" (pp. 19–78)Chapter 3, "Finding Relationships Among Variables" (pp. 79–136)Kohane, I. S. (2015). Health care policy: Ten things we have to do to achieve precision medicine. Science, 349(6243), 37–38.Note: Retrieved from the Walden Library databases.Zwitter, A. (2014). Commentary: Big data ethics. Big Data & Society, 1–6.Note: Retrieved from the Walden Library databases.Document: Covenant Data File [Excel spreadsheet]
Find the probability that a student picked from this group at random either has hazel or brown eyes?, statistics homework help
1. In a group of 92 students 40 have brown eyes, 35 have hazel eyes, and 17 have blue eyes. Find the probability that a st ...
Find the probability that a student picked from this group at random either has hazel or brown eyes?, statistics homework help
1. In a group of 92 students 40 have brown eyes, 35 have hazel eyes, and 17 have blue eyes. Find the probability that a student picked from this group at random either has hazel or brown eyes?Enter your answer as a fraction in the form a/b (for example 2/3, 5/7) or as an integer. 2. In a group of 45 boys; 17 own laptop, 19 own desktop computers, and 7 own both. Find the probability that a boy picked from this group at random owns either a laptop or a desktop computer?Enter your answer as a fraction in the form a/b (for example 2/3, 5/7) or as an integer.
Find all rational zeros of each function. h(x) = x4 + 2x3 - 23x2 + 2x - 24 f, assignment help
Find all rational zeros of each function.
h(x) = x4
+ 2x3 - 23x2 + 2x
- 24
f(x) = 5x3
- 29x2 + 55x - 28&n ...
Find all rational zeros of each function. h(x) = x4 + 2x3 - 23x2 + 2x - 24 f, assignment help
Find all rational zeros of each function.
h(x) = x4
+ 2x3 - 23x2 + 2x
- 24
f(x) = 5x3
- 29x2 + 55x - 28
University of Phoenix Null and Alternative Hypothesis & Analysis Question Presentation
Assignment ContentYou are in charge of conducting an analysis for your organization to discover if there is a relationship ...
University of Phoenix Null and Alternative Hypothesis & Analysis Question Presentation
Assignment ContentYou are in charge of conducting an analysis for your organization to discover if there is a relationship between an employee’s performance rating and the number of sick days they take each year. Your coworker has already collected the data and it is ready for you to analyze.Review the data your coworker collected in the Analysis of Correlation Test Data Spreadsheet.First, plan your analysis. Second, conduct your analysis. Third, describe your analysis.Create Microsoft PowerPoint presentation and include speaker notes.**Note: Do not use the note pane feature [do not place your notes in the note pane beneath your slides], instead place all of your speaker notes on your last two or three slides. Use a blank slide layout and use font size 18 for your speaker notes. Total word count for your speaker notes should be around 500 words. Fully explain the following items:Part 1: Planning: What are the null and alternative hypotheses?Where did you obtain your data or who obtained it for you?Part 2: AnalysisWhat are the descriptive statistics for your sample? Include:Sample sizeMeanMedianModeStandard deviationAnalysis Procedures: What did you do to conduct your analysis?Part 3: Results and DiscussionWhat are the test statistics and results? Includet statisticp-valueWhat are the results? Are the results inferable to the population?Do you reject or fail to reject the null hypothesis? Explain.What do the results mean? What is your recommendation to the organization? Support your recommendation with your data analysis evidence.
Standard Error T Stat & P Value Inferential Statistic & Estimation Worksheet
PromptIn a previous lab we tested the following hypotheses, 𝐻0H0: 𝜇=4.73μ=4.73 and 𝐻𝑎Ha: 𝜇<4.73μ<4. ...
Standard Error T Stat & P Value Inferential Statistic & Estimation Worksheet
PromptIn a previous lab we tested the following hypotheses, 𝐻0H0: 𝜇=4.73μ=4.73 and 𝐻𝑎Ha: 𝜇<4.73μ<4.73 (where 𝜇μ is the mean number of alcoholic drinks consumed by students at a liberal arts college).In a random sample of 75 students, the mean was 3.93 alcoholic drinks consumed in a week. Here is the StatCrunch output from the hypothesis test.𝜇μ: Mean of variable𝐻0H0: 𝜇=4.73μ=4.73𝐻𝐴HA: 𝜇≠4.73μ≠4.73Hypothesis test resultsVariableSample MeanStd. Err.DFT-StatP-valuenumber of drinks per week3.9333333 0.43592434 74 -1.8275343 0.0717 Using this context and the StatCrunch output, explain the meaning of each of the following.
Std. Err (standard error)T-stat (T-score)P-valueIn a previous matched pairs lab we tested the following hypotheses, where 𝜇μ is the mean of the differences in corn yield for a plot of land (regular seed minus kiln-dried): H0: µ = 0 and Ha: µ < 0. In a random sample of 11 seeds of each type, the mean of the differences in the sample was -33.7. Here is a StatCrunch print-out of the hypothesis test.Paired T hypothesis test:𝜇𝐷=𝜇1−𝜇2μD=μ1−μ2: Mean of the difference between Regular seed and Kiln-dried seed𝐻0H0: 𝜇𝐷=0μD=0𝐻𝐴HA: 𝜇𝐷<0μD<0
Hypothesis test resultsDifferenceMeanStd. Err.DFT-StatP-valueRegular seed - Kiln-dried seed-33.72727319.95134610-1.69047610.0609Differences stored in column, Differences.Using this context and the StatCrunch output, explain the meaning of each of the following.
Std. Err (standard error)T-stat (T-score)P-value.no outside sources and it should answer all questions
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