Test the claim that for the population of statistics final exams, the mean score is 75 using
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Question:
Test the claim that for the population of statistics final exams, the mean score is 75 using alternative hypothesis that the mean score is different from 75. Sample statistics include n=26, x¯=76, and s=17. Use a significance level of α=0.01. (Assume normally distributed population.)
The test statistic is
The positive critical value is
The negative critical value is
The conclusion is
A. There is sufficient evidence to reject the claim that the mean score is equal to 75.
B. There is not sufficient evidence to reject the claim that the mean score is equal to 75.
Related Book For
Elementary Statistics A step by step approach
ISBN: 978-0073386102
8th edition
Authors: Allan Bluman
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