Question

The following exercise is designed to be solved using technology such as calculators or computer spreadsheets.

Make a table showing the sample size needed to get a given margin of error ranging from 2% to 3% in steps of 0.1 percentage point. Assume that the level of confidence is 95% using the rule of thumb for the margin of error, and round to the nearest whole number.

Margin of Error	Sample Size
2%
2.1%
2.2%
2.3%
2.4%
2.5%
2.6%
2.7%
2.8%
2.9%
3%

Answer 1