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A psychologist has prepared an "Optimism Test" that is administered yearly to graduating college seniors to analyze any changes in optimism. The test measures how each graduating class feels about its future – the higher th score, the more optimistic the class. Last year's class had a mean score of µ=17.00. A sample of 10 seniors- from this year's class was selected and tested. The scores for these seniors were as follows: 20 19 20 14 18 19 22 24 23 16

A psychologist has prepared an "Optimism Test" that is administered yearly to graduating college seniors to analyze any changes in optimism. The test measures how each graduating class feels about its future – the higher th score, the more optimistic the class. Last year's class had a mean score of µ=17.00. A sample of 10 seniors- from this year's class was selected and tested. The scores for these seniors were as follows: 20 19 20 14 18 19 22 24 23 16

MATLAB: An Introduction with Applications
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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Using αα= .05, 2-tail, what is your critical t? 

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t-test single sample A psychologist has prepared an "Optimism Test" that is administered yearly to graduating college seniors to analyze any changes in optimism. The test measures how each graduating class feels about its future – the higher the score, the more optimistic the class. Last year's class had a mean score of u=17.00. A sample of 10 seniors ar’s class was selected and tested. The scores for these seniors were as follows: from this 20 19 20 14 18 19 22 24 23 16 For your convenience: EX = 195 and E X2 = 3887
Transcribed Image Text:t-test single sample A psychologist has prepared an "Optimism Test" that is administered yearly to graduating college seniors to analyze any changes in optimism. The test measures how each graduating class feels about its future – the higher the score, the more optimistic the class. Last year's class had a mean score of u=17.00. A sample of 10 seniors ar’s class was selected and tested. The scores for these seniors were as follows: from this 20 19 20 14 18 19 22 24 23 16 For your convenience: EX = 195 and E X2 = 3887
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