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Chapter 11: Confidence Intervals – Large Samples
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Figure 11- 22:
Workbook Output with Confidence
Intervals for
Example 11-15
Sample Sizes Needed to Estimate Two Population Means
In considering large-sample confidence intervals for the difference between
two population means, one may need to estimate the sample sizes needed in
order to collect data. The formula given here is for the minimum sample
sizes when the sample sizes are the same. The formula is given next.
Click here for the Large Sample Confidence Interval for the Difference Between Two Population Means Workbook