Determine The Sample Size Needed To Construct A 95 Confidence Interval. The best estimate of what the entire customer populations average satisfaction is ranges between 566 and 634. Determine the sample size needed to construct a 95 confidence interval to estimate the average GPA for the student population at a college with a margin of error equal to 03.
Determine the sample size needed to construct a 95 confidence interval to estimate the average GPA for the student population at a college with a margin of error equal to 05. Z 196 p 05 e 005. In our example our sample size is.
Population standard deviation σ 5 σ 5.
Jan 28 2021 By looking up the Z table you can find that the confidence coefficient Z_0475 is equal to 196. Determine the sample size needed to construct a 95 confidence interval to estimate the average GPA for the student population at a college with a margin of error equal to 05. Therefore the 95 confidence interval for this measurement is. This is the size one your variations needs to be.
