The life expectancy of a male during the course ofthe past 100 years is approximately 27,715 days.Use the table to the right to conduct a test usinga=0.05 to determine whether the evidencesuggests that chief justices live longer than thegeneral population of males. Suggest a reasonwhy the conclusion drawn may be flawed.State the appropriate null and alternative hypotheses.O A. Ho: p=27,715 versus H₁: μ<27,715OC. Ho H=27,715 versus H₁: μ>27,715O E. Ho: p=30,747 versus H,: μ#30,747ChiefLifeChiefJustice Span (Days) JusticeAIJKLMN0PBCDEFGH31,07329,372Ioanngildin30,22728,91832,45232,62826,57732,592LifeSpan (Days)32,93427,432HERITATION30,629OB. Ho: H=27,715 versus H₁: p #27,715OD. Ho H=30,747 versus H₁: <30,747OF. Ho H=30,747 versus H₁: >30,747196730,93032.40728,31932,74132,716tedny

Answered: The life expectancy of a male during…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 74 bpm. Use a 0.01 significance level. E Click the icon to view the pulse rate data. Pulse Rate Data Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? Pulse Rate (bpm) O A. Ho: H= 74 bpm H1: H 74 bpm 57 35 104 86 ОС. Но: и» 74 bpm H1: µ<74 bpm O D. Ho: H=74 bpm H1: µ+74 bpm 97 101 62 49 59 73 Determine the test statistic. 69 45 104 42 |(Round to two decimal places as needed.) 52 105 99 36 Determine the P-value. 74 54 (Round to three decimal places as needed.) 105 60 56 82 State the final conclusion that addresses the original claim. 88 75 52 59 V Ho. There is evidence to conclude that the mean of the population of pulse rates for adult females is V 74 bpm. 82 104 97 76 76 47 97 74 63 52 93 98 104 53 35 35 100 39 Click to select your answer(s). 58 41
55% of students entering four-year colleges receive a degree within six years. Is this percent larger than for students who play intramural sports? 161 of the 256 students who played intramural sports received a degree within six years. What can be concluded at the level of significance of a = 0.10? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? Select an answerv (please enter a decimal) H1: ?v Select an answerv (Please enter a decimal) c. The test statistic ?v = (please show your answer to 3 decimal places.) d. The p-value = |(Please show your answer to 4 decimal places.) e. The p-value is ? a f. Based on this, we should Select an answerv the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the populaton proportion is significantly larger than 55% at a = 0.10, so there is sufficient evidence to conclude that the population proportion of students who played intramural sports who received a degree…
Use the pulse rates in beats per minute (bpm) of a random sample of adult females listed in the data set available below to test the claim that the mean is less than 78 bpm. Use a 0.05 significance level. Click the icon to view the pulse rate data. Assuming all conditions for conducting a hypothesis test are met, what are the null and altenative hypotheses? OA. Họ: =76 bpm H: p> 76 bpm OB. Ho: 70 bpm H:u 76 bpm H;:H<76 bpm Determine the test statistic. O (Round to two decimal places as needed) Determine the P-value. O (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. Ho. There is V evidence to conclude that the mean of the population of pulse rates for adult females is 76 bpm.
A data set includes data from 400 random tornadoes. The display from technology available below results from using the tornado lengths (miles) to test the claim that the mean tornado length is greater than 2.6 miles. Use a 0.05 significance level. Use the display to identify the null and alternative hypotheses, test statistic, and P-value. State the final conclusion that addresses the original claim. Hypothesis test results: μ: Mean of variable Ho: μ=2.6 HA H>2.6 Variable Sample Mean Length 2.75311 Std. Err. DF T-Stat 0.274284 399 0.558217 P-value 0.2885 OA. Fail to reject Ho. There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles OB. Reject Ho. There is sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles OC. Reject Ho. There is not sufficient evidence to support the claim that the mean tornado length is greater than 2.6 miles. OD. Fail to reject Ho. There is not sufficient evidence to support…
The accompanying data are measured body temperatures of adults at 12 AM on a certain day. Use the Wilcoxon signed-ranks test to test the claim that the median is equal to 98.6°F. Use a 0.05 significance level. Click the icon to view the body temperature data. Determine the null and alternative hypotheses. Ho: The median body temperature is H₁: The median body temperature is (Type integers or decimals. Do not round.) Determine the P-value. The P-value is (Round to three decimal places as needed.) Determine the proper conclusion. Ho. There is ▼ ✔ evidence at the 0.05 significance level to warrant rejection of the claim that the median body temperature is C 98.6°F. Body Temperature Data 98.1 97.7 98.7 98.1 98.9 97.7 98.5 98.7 98.1 98.1 98.1 97.9 97.3 98.3 98.0 98.1 98.4 99.1 97.9 96.9 97.2 98.2 97.9 98.9 97.5 98.1 97.3 98.1 98.5 98.5 96.9 98.5 98.1 99.3 97.7 98.3 98.9 97.8 98.1 98.0 98.6 97.3 98.4 98.6 98 7 99.0 97.3 97.5 98.0 98.1 98.6 98.7 98.7 98.7 99.2 97.7 97.7 98.5 97.6 99.4 97.6…
You may need to use the appropriate appendix table or technology to answer this question. An agency reports that 11.5% of workers in a particular country belonged to unions. Suppose a sample of 300 workers is collected to determine whether union efforts to organize have increased union membership. (a) Formulate the hypotheses that can be used to determine whether union membership has increased. H0: p = 0.115 Ha: p ≠ 0.115 H0: p > 0.115 Ha: p ≤ 0.115 H0: p ≤ 0.115 Ha: p > 0.115 H0: p ≥ 0.115 Ha: p < 0.115 H0: p < 0.115 Ha: p ≥ 0.115 (b) If the sample results show that 36 of the workers belonged to unions, what is the p-value for your hypothesis test? Find the value of the test statistic. (Round your answer to two decimal places.) Find the p-value. (Round your answer to four decimal places.) p-value = (c) At ? = 0.05, what is your conclusion? Do not reject H0. There is insufficient evidence to conclude that there has been an increase in union…
The recidivism rate for convicted sex offenders is 13%. A warden suspects that this percent is different if the sex offender is also a drug addict. Of the 309 convicted sex offenders who were also drug addicts, 31 of them became repeat offenders. What can be concluded at the a = 0.01 level of significance? For this study, we should use Select an answer The null and alternative hypotheses would be: Ho: ? ✓ Select an answer H₁: ? Select an answer (please enter a decimal) (Please enter a decimal) The test statistic ? ✓ = The p-value = The p-value is ? va Based on this, we should [Select an answer the null hypothesis. Thus, the final conclusion is that ... (please show your answer to 3 decimal places.) (Please show your answer to 4 decimal places.) O The data suggest the population proportion is not significantly different from 13% at a = 0.01, so there is statistically insignificant evidence to conclude that the population proportion of convicted sex offender drug addicts who become…
A data set includes data from 500 random tornadoes. The display from technology available below results from using the tornado lengths (miles) to test the claim that the mean tornado length is greater than 2.7 miles. Use a 0.05 significance level. Use the display to identify the null and alternative hypotheses, test statistic, and P-value. State the final conclusion that addresses the original claim.
A data set includes data from 500 random tornadoes. The display from technology available below results from using the tornado lengths (miles) to test the claim that the mean tornado length is greater than 2.2 miles. Use a 0.05 significance level. Use the display to identify the null and alternative hypotheses, test statistic, and P-value. State the final conclusion that addresses the original claim. Hypothesis test results: p: Mean of variable Ho : µ = 2.2 HA: H> 2.2 Variable Sample Mean Length Std. Err. 2.38563 0.251663 499 0.737613 DF T-Stat P-value 0.2305
In their advertisements, a new diet program would like to claim that their methods result in a mean weight loss of more than ten pounds in two weeks. In order to determine if this is a valid claim, they hire an independent testing agency that then selects twenty-five people to be placed on this diet. Which of the following is the correct hypotheses? a Ho: μ- 10 Ha: μ > 10 Ho: u > 10 Ha: u = 10 Ho: U = 10 Ha: u < 10 O d Ho: p = 10 Ha: u+ 10
I randomly sample 219 students and ask them to provide their USF GPA. I wish to determine if the average GPA of all USF students ex mu + 3.25 ceeds 3.25. Unfortunately, I generated the printout shown here: One-Sample T Test Null Hypothesis: H - 3.25 Alternative Hyp: u- 3.25 Variable Mean SE DF GPA 3.3121 0.0340 1.82 218 0.0694 Cases Included 219 What assumption is needed for this analysis to be valid? None. The Central Limit Theorem applies and no other assumptions are needed. The GPAS of all USF students need to be approximately normally distributed The mean GPA of all USF students need to be approximately normally distributed
please check this. The recidivism rate for convicted sex offenders is 14%. A warden suspects that this percent is different if the sex offender is also a drug addict. Of the 324 convicted sex offenders who were also drug addicts, 32 of them became repeat offenders. What can be concluded at the αα = 0.05 level of significance? For this study, we should use The null and alternative hypotheses would be: Ho: (please enter a decimal) H1: (Please enter a decimal) The test statistic = (please show your answer to 3 decimal places.) The p-value = (Please show your answer to 4 decimal places.) The p-value is αα Based on this, we should the null hypothesis. Thus, the final conclusion is that ... The data suggest the populaton proportion is significantly different from 14% at αα = 0.05, so there is statistically significant evidence to conclude that the population proportion of convicted sex offender drug addicts who become repeat offenders…

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