MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
100%

A researcher conducts an independent samples t-test comparing two treatments, and reports the following data:

Sample 1 Sample 2
M = 8 M = 18
SS = 100 SS = 50
n = 5 n = 5

Which of the following correctly lists the value of df and the value of pooled variance in this analysis?

a. df = 2, pooled variance = 150
b. df = 2, pooled variance = 18.75
c. df = 8, pooled variance = 18.75
d. df = 8, pooled variance = 150
 
 
A researcher conducts an independent samples t-test comparing two treatments, and reports the following data:
Sample 1 Sample 2
M = 8 M = 18
SS = 100 SS = 50
n = 5 n = 5

Which of the following correctly lists the calculated test statistic value along with the appropriate conclusion using an alpha level of .05, two-tails?

a. t = 3.65, Fail to reject Ho
b. t = 3.65, Reject Ho
c. t = 2.308, Fail to reject Ho
d. t = 2.308, Reject Ho
 
 

For the following sample of n=6 scores, calculate SS:

[6, 4, 5, 25, 7, 7]

a. 5
b. 52.33
c. 314
d. 3.14
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