Tran Enacing measurements (in meters) for a sample of seven teams of red spiny lobster fisherman are reproduced in the accompanying table. Let u represent the average of the trap spacing measurements for the population of red spiny lohstFisherman, The mean and the standard deviation of the sample measurements are x= 90.1 meters and s= 12.3 meters, respectively. Suppose you want to determine if the true value of u differs from 95 meters. Complete parts a through h below93 100 107 948170 86 Dd. Find the approximate p-value of the test.p-value =0.2410 (Round to three decimal places as needed.)e. Select a value of a, the probability of Type I eror. Interpret this value in the words of the problem.O A. There would still be sufficient evidence to reject the null hypothesis if a<0.332.O B. There would still be sufficient evidence to reject the null hypothesis if a> 0.332.OC. There would still be sufficient evidence to reject the null hypothesis if a= 0.001O D. There would still be sufficient evidence to reject the null hypothesis if a>0.001Interpret this value in the words of the problem.O A. AType l error would be to conclude that the true mean of the trap spacing measurements is not 95 when, in fact, the mean is equal to 95.O B. AType l error would be to conclude that the true mean of the trap spacing measurements is 95 when, in fact, the mean is equal to 90.1.OC. AType I error would be to conclude that the true mean of the trap spacing measurements is 90.1 when, in fact, the mean is equal to 95.O D. ATypeI error would be to conclude that the true mean of the trap spacing measurements is 95 when, in fact, the mean is not equal to 95.f. Give the appropriate conclusion, based on the results of parts d and e. Let a =0.05.O A. Fail to reject H. There is sufficient evidence to indicate u95.(1,1)MereTime Remaining: 01:32:21NextStatcrunchCalculatorMacBook Air20,IIF8F10FV2escF3F6F7F9F2F4FS@#$%&*一deleta236789{QWERYUPtab

Researchers perform hypothesis testing to test the claim of about a population parameter.

Answered: d. Find the approximate p-value of the…

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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An IO psychologist believes that layoffs in at a plant may have increased stress felt by the people who retained their positions. He measures 7 employees before and after the layoffs. The results are below. Use ?=.052????α=.052tail to evaluate the statistics. a. What design was used? b. State the hypotheses in words and symbols c. Show how t was calculated & evaluate the statistic
d Suppose you want to test the claim that u < 65.4 and the population standard deviation is known. Given a sample size of n = 35 and a level of significance of a=0.01, when should you reject H,? O A. Reject Ho if the standardized test statistic is less than - 2.575. O B. Reject Ho if the standardized test is less than - 1.96. C. Reject Ho if the standardized test statistic is less than - 1.28. O D. Reject Ho if the standardized test statistic is less than - 2.33. Click to select your answer. a Type here to search hp
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The contents of 35 cans of Coke have a mean of 12.15oz. We know that the standard deviation x = is o = 0.1oz. To test the claim that the population 12oz you need to use mean is u - A. one-sample t-test B. one-sample z-test C. none of the above because the required assumptions are not met
Which of the following would be strong evidence for a researcher’s hypothesis? A. a small P-value B. a large P-value C. a t test statistic close to zero D. Both A and C.
Letters D and F only
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c. What is the P-value? P-value = 0.0154 (Round to four decimal places as needed.) d. What is the null hypothesis, and what do you conclude about it? Identify the null hypothesis. A. Ho: p=0.12 O B. Ho: p 0.12 C. Ho: p>0.12 O D. Ho: p<0.12 Decide whether to reject the null hypothesis. Choose the correct answer bylow. O A. Reject the null hypothesis because the P-value is greater than the significance level, a. O B. Reject the null hypothesis because the P-value is less than or equal to the significance level, a. C. Fail to reject the null hypothesis because the P-value is greater than the significance level, a. O D. Fail to reject the null hypothesis because the P-value is less than or equal to the significance level, a. e. What is the final conclusion? O A. There is not sufficient evidence to warrant rejection of the claim that less than 12% of treated subjects experienced headaches. B. There is sufficient evidence to support the claim that less than 12% of treated subjects…
Only 11% of registered voters voted in the last election. Will voter participation change for the upcoming election? Of the 379 randomly selected registered voters surveyed, 34 of them will vote in the upcoming election. What can be concluded at the a = 0.05 level of significance?
An advertising firm has decided to ask 115 customers at each of four local shopping malls if they are willing to take part in a market research survey. At . = 0.05 is there evidence to show that the proportions are not all the same. A B D Willing 62 67 69 70 Not Willing 53 48 46 45 What are the expected numbers? (round to 3 decimal places) D Willing Not Willing The hypotheses are Ho : PA = pPB = Pc = Pp HA: At least one of the proportions is different. (claim) Since a = 0.05 the critical value is 7.815 The test value is: (round to 3 decimal places) The p-value is (round to 3 decimal places) So the decision is to do not reject Họ reject H, Thus the final conclusion is There is enough evidence to reject the claim that at least one of the proportions is different. There is enough evidence to support the claim that at least one of the proportions is different. There is not enough evidence to support the claim that at least one of the proportions is different. OThere is not enough evidence…
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65 homeless people in San Jose were asked their age. The sample mean age was 33.2 years. Let x be a random variable representing ages of homeless people in San Jose. Assume that x has a normal distribution and o = 7.3 years. Do the data indicate that the mean age of the population of homeless people in San Jose is less than 35 years old? Use a = 0.05. Identify the following in your answer. 1. Identify the null hypothesis Ho and alternate hypotheses H, for the problem. 2. Identify the sample statistic, test statistic, p-value and calculator key used: Sample Statistic (sample mean) (Stated in problem) = Test Statistic (z) (Round to two decimal places) %3D P-value: (Round to four decimal places) = Calculator key used: 3. Identify the significance level and determine if you reject or fail to reject the null hypothesis. significance level = Do you reject or fail to reject Ho ? 4. State your conclusion. Upload your answer. Remember you can only upload one document. Upload Choose a File

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