MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Question
Decide whether the normal sampling distribution can be used. If it can be used, test the claim about the difference between two population proportions
p1
and
p2
at the given level of significance
α
using the given sample statistics. Assume the sample statistics are from independent random samples.
Claim:
|
p1=p2,
α=0.10
|
Sample statistics:
|
x1=142,
n1=156
and
x2=144,
n2=188
|
Find the standardized test statistic. Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
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