Answered: The p-value is: _______

Math

Statistics

The p-value is: _______

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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Question

Test the claim that the mean GPA of night students is smaller than 2.5 at the 10% significance level. The population standard deviation for this group is known to be 0.16.

Based on a sample of 30 people, the sample mean GPA was 2.47.
Hint: Before you find the p-value below, calculate the test statistic to two decimal places.

The p-value is: _______(to 4 decimals)

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