Use a t-test to test the claim about the population mean μ at the given level of significance a using the given sample statistics. Assume the population is normally distributed.Claim: μ ≥7900; a=0.01 Sample statistics: x=7700, s=440, n=23What are the null and alternative hypotheses?OA. Ho ≤7900Η μ>7900OC. Ho 27900H₂ μ<7900What is the value of the standardized test statistic?The standardized test statistic is (Round to two decimal places as needed.)What is the P-value?P= (Round to three decimal places as needed.)Decide whether to reject or fail to reject the null hypothesis. Choose the correct answer below.OA. Fail to reject Ho. At the 1% level of significance, there is enough evidence to reject the claim.OB. Reject Ho. At the 1% level of significance, there is not enough evidence to reject the claim.OC. Reject Ho. At the 1% level of significance, there is enough evidence to reject the claim.OD. Fail to reject Ho. At the 1% level of significance, there is not enough evidence to reject the claim.as an adDELLOB. Ho: #7900H₂₁:μ=7900OD. Ho H=7900H₂ μ#79002Decimals

sample statistics are: Significance level = 0.01 Sample statistics x -bar = 7700, s=440, n=23

Answered: Use a t-test to test the claim about…

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 technology to help you test the claim about the population mean, p, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: u > 1280; a = 0.07; o = 196.31. Sample statistics: x= 1308.11, n= 200 H p> 1280 Ha: p 1308.11 O D. Ho: Hs 1308.11 Ha ps 1308.11 Ha: p> 1308.11 O E. H, p> 1280 O F. Ho: µ2 1280 Ha: u< 1280 Ha ps 1280 Calculate the standardized test statistic. The standardized test statistic is 2.03. (Round to two decimal places as needed.) Determine the P-value. P 3D (Round to three decimal places as needed.)
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According to the Carnegie unit system, the recommended number of hours students should study per unit is 2. Are statistics students' study hours less than the recommended number of hours per unit? The data show the results of a survey of 11 statistics students who were asked how many hours per unit they studied. Assume a normal distribution for the population. 3.2, 0, 0, 0, 3.2, 3.2, 1.1, 0.8, 0.5, 1.3, 3.5 What can be concluded at the a = 0.05 level of significance? a. For this study, we should use b. The null and alternative hypotheses would be: Select an answer Ho: Select an answer O H1: Select an answer O c. The test statistic ? 0 = (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 ? e a f. Based on this, we should Select an answer e the null hypothesis. g. Thus, the final conclusion is that ... The data suggest the populaton mean is significantly less than 2 at a = 0.05, so there is sufficient evidence…

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Use a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. 7000 7700 140