single san A psychologist has prepared an "Optimism Tesť" 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 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 For your convenience: EX = 195 and EX² = %3D 3887
single san A psychologist has prepared an "Optimism Tesť" 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 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 For your convenience: EX = 195 and EX² = %3D 3887
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3BGP
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whats the non directional null hypothesis and alternative hypothesis
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Transcribed Image Text:t-test single sample
A psychologist has prepared an
"Optimism Tesť" 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 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
For your convenience: EX = 195 and EX2 =
3887
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