MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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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 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.arrow_forwardThe claim is that smokers have a mean cotinine level greater than the level of 2.84 ng/mL found for nonsmokers. (Cotinine is used as a biomarker for exposure to nicotine.) The sample size is n 810 and the test statistic is t=55.337. Use technology to find the P-value. Based on the result, what is the final conclusion? Use a significance level of 0.01. State the null and alternative hypotheses. Ho H H₁H (Type integers or decimals. Do not round.)arrow_forwardAssume a significance level of α = 0.05 and use the given information to complete parts (a) and (b) below. Original claim: Less than 52% of adults would erase all of their personal information online if they could. The hypothesis test results in a P-value of 0.1763. GECE I all the cause the value to its a cual C. Fail to reject Ho because the P-value is greater than a. OD. Reject Ho because the P-value is less than or equal to α. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? OA. There is sufficient evidence to support the claim that the percentage of adults that would erase all of their personal information online if they could is less than 52%. OB. There is not sufficient evidence to support the claim that the percentage of adults that would erase all of their personal information online if they could is less than 52%. OC. The percentage of adults that would erase all of their personal…arrow_forward
- ssume a significance level of alpha equals 0.05 and use the given information to complete parts (a) and (b) below. Original claim: The mean pulse rate (in beats per minute) of a certain group of adult males is 71 bpm. The hypothesis test results in a P-value of 0.0099 . a. State a conclusion about the null hypothesis. (Reject Upper H 0 or fail to reject Upper H 0 .) Choose the correct answer below. A. Reject Upper H 0 because the P-value is less than or equal to alpha . B. Fail to reject Upper H 0 because the P-value is less than or equal to alpha . C. Reject Upper H 0 because the P-value is greater than alpha . D. Fail to reject Upper H 0 because the P-value is greater than alpha . b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? A. There is not…arrow_forwardhelp!arrow_forwardYou wish to test the following claim (Ha) at a significance level of a = 0.02. Ho: p=0.51 Ha:p> 0.51 You obtain a sample of size n = 632 in which there are 350 successful observations. What is the critical value for this test? (Report answer accurate to three decimal places.) critical value= What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic =arrow_forward
- Assume that the significance level is a = 0.01. Use the given statement to find the critical value(s). The test statistic of z = - 1.66 is obtained when testing the claim that p =: Click here to view page 1 of the Normal table. Click here to view page 2 of the Normal table. The critical value(s) is/are. (Round to three decimal places as needed. Use a comma to separate answers as needed.)arrow_forwardPlease help me with this question.arrow_forwardAssume that the significance level is α=0.1. Use the given information to find the P-value and the critical value(s).The test statistic of z=1.81 is obtained when testing the claim that p>0.2.Click here to view page 1 of the Normal table. LOADING... Click here to view page 2 of the Normal table. LOADING...Question content area bottomPart 1P-value=enter your response here (Round to four decimal places as needed.)Part 2The critical value(s) is/are z=enter your response here.(Round to two decimal places as needed. Use a comma to separate answers as needed.)arrow_forward
- Find the test statistic: Determine the P-value: State the final conclusion that addresses the original claim:arrow_forwardCan you please help me with this statistics last math problem? Thank you!arrow_forwardAnswer the following to summarize the test of the hypothesis that there is no dependence between the two variables color vision of participant and trial outcome. For your test, use the 0.05 level of significance. a. Find the value of the test statistic. (Round to two or more decimal places.) b. Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) c. Can we reject the hypothesis that there is no dependence between the variables color vision of participant and trial outcome? Use the 0.05 level of significance.arrow_forward
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