Samples of size 50 from population A with proportion 0.70 and samples of size 75 from population
Question:
Samples of size 50 from population A with proportion 0.70 and samples of size 75 from population B with proportion 0.60
If random samples of the given sizes are drawn from populations with the given proportions:
(a) Find the mean and standard error of the distribution
of differences in sample proportions, p̂A − p̂B.
(b) If the sample sizes are large enough for the Central Limit Theorem to apply, draw a curve showing the shape of the sampling distribution. Include at least three values on the horizontal axis.
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a The differences in sample proportions will have a mean of p A p B 070 060 010 and a standard er...View the full answer
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Related Book For
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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