June 2015
Beginner
458 pages
13h 37m
English
Content preview from Using JMP Student Edition, Third Edition
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20 Sample Size and Power Platform One-Sample and Two-Sample Means 423
20 DOE: Sample Size and Power Platform
Figure 20.6 Example of Animation Script to Illustrate Power
Two-Sample Means
The Sample Size and Power windows work similarly for one and two sample means; the Difference to
Detect
is the difference between two means. The comparison is between two random samples instead
of one sample and a hypothesized mean.
For testing the difference between two means, the hypothesis supported is
and the two-sided alternative is
where
and
are the two population means and D
0
is the difference in the two means or the differ-
ence to detect. It is assumed ...
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