The sample data in this video represents the age in years of several rese. For example enter data in cells A1 through A24. Suppose we want to estimate the difference in the proportion of residents who support a certain law in county A compared to the proportion who support the law in county B.
Enter the observation data in Excel one observation in each cell.
The confidence level required 90 95 99 a 01 005 001 Type I Error The Power required 80 85 90. Enter Population Size Total number of individuals about which sample size calculation is required. For example enter data in cells A1 through A24. The confidence level required 90 95 99 a 01 005 001 Type I Error The Power required 80 85 90.