A random sample of 76 eighth grade students' scores on a national mathematics assessment test has a mean score of 278. This test result prompts a state school administrator to declare that the mean sco the state's eighth graders on this exam is more than 275. Assume that the population standard deviation is 33. At a = 0.03, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify Họ and Hg. Choose the correct answer below. O A. Ho: u2275 (claim) HaiH<275 O B. Ho: H<275 H,i u2 275 (claim) O C. H μ 275 Hiu> 275 (claim) O D. Ho: Hs275 (claim) Hai> 275 E. Ηg μ 275 (caim) Hai u> 275 OF. Ho: Hs275 Hai u> 275 (claim) (b) Find the P-value. P-value =O (Round to three decimal places as needed.) %3D (c) Decide whether to reject or fail to reject the null hypothesis. O Reject H, O Fail to roject H, (e) Interpret your decision in the context of the original claim. At the 3% significance level, there enough evidence to the administrator's claim that the mean score for the state's eighth graders on the exam is more than 275.
A random sample of 76 eighth grade students' scores on a national mathematics assessment test has a mean score of 278. This test result prompts a state school administrator to declare that the mean sco the state's eighth graders on this exam is more than 275. Assume that the population standard deviation is 33. At a = 0.03, is there enough evidence to support the administrator's claim? Complete parts (a) through (e). (a) Write the claim mathematically and identify Họ and Hg. Choose the correct answer below. O A. Ho: u2275 (claim) HaiH<275 O B. Ho: H<275 H,i u2 275 (claim) O C. H μ 275 Hiu> 275 (claim) O D. Ho: Hs275 (claim) Hai> 275 E. Ηg μ 275 (caim) Hai u> 275 OF. Ho: Hs275 Hai u> 275 (claim) (b) Find the P-value. P-value =O (Round to three decimal places as needed.) %3D (c) Decide whether to reject or fail to reject the null hypothesis. O Reject H, O Fail to roject H, (e) Interpret your decision in the context of the original claim. At the 3% significance level, there enough evidence to the administrator's claim that the mean score for the state's eighth graders on the exam is more than 275.
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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