498 / 762
498
Chapter 11: Confidence Intervals – Large Samples
Figure 11- 17:
Workbook Output with the Sample Size
for
Example 11-12
Observe that the values for the computed sample sizes are the same as when
the formula and the workbook are used. Both values are approximated to
27,060. The workbook uses 6 decimal places for z
/2
in the computations.
You should always use the workbook to compute the sample sizes.
Section Review
e-Self Review Click here for the Large Sample Confidence Interval for the Difference Between Two Population Proportions Workbook