Mathematics, 13.10.2020 02:01, pizzaqueen95
First is it a Z or T test then do the steps necessary to answer this research question. Please number your steps.
You are conducting an experiment to see if a test anxiety workshop significantly reduces test anxiety in college freshman. A
standard assessment of test anxiety is known to produce a u = 20 with a standard deviation of 9. We drawn a sample of 81
college freshman at Chaffey who had taken the workshop this semester that resulted in a mean of
18 and standard deviation of 10. Did the workshop help reduce the anxiety?
Answers: 3
Mathematics, 21.06.2019 18:40, stephen4438
Which of the following represents the range of the graph of f(x) below
Answers: 1
Mathematics, 21.06.2019 22:00, makenziehook8
Given that sinβ
= 1/4, 0 < β
< Ο/2, what is the exact value of cosβ
? a. (β4)/4 b. (β15)/4 c. (4Ο)/2 d. (4β2)/4
Answers: 2
First is it a Z or T test then do the steps necessary to answer this research question. Please numbe...
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