f the sample size had been smaller, the power would have been smaller. O True O False
f the sample size had been smaller, the power would have been smaller. O True O False
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Question
30 help me answer the problem
Transcribed Image Text:Consider the following display:
Power and Sample Size
2-Sample t Test
Testing mean 1 = mean 2 (versus not =)
Calculating power for mean 1 = mean 2 + difference
Alpha
= 0.05 Assumed standard deviation = 2
Difference
Sample Size
Power
2
15
0.752923
The sample size is for each group.
If the sample size had been smaller, the power would have been smaller.
True
O False
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