Answered: Construct a confidence interval…

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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Note: This is a question that was previously posted and answered, but due to policy only the first three was answered. I have posted the same question below, and have put which parts were answered, and which parts that I still need answered. Thank you.

A. ( was answered)

B.(was answered) The test statistic, t, =-1.74

C. (was answered)The P-value is

0.043

D. (was answered) State the conclusion for the test.

Reject H0. or Fail to reject H0.

E. Construct a confidence interval suitable for testing the claim that students taking nonproctored tests get a higher mean score than those taking proctored tests.

___<μ1−μ2<___

F. Does the confidence interval support the conclusion of the test?

(Yes/ No) because the confidence interval contains (zero/ only positive value/ only negative values).

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