Ways To Calculate Sample Size. May 01 2017 You can use the formula to calculate a sample size for a confidence level of 99 and margin of error -1 01 using the standard deviation suggestion of05. You can calculate your sample size using our calculator.
N population size e Margin of error percentage in decimal form z z-score The z-score is the number of standard deviations. Sample Size Calculator Terms. 258 2 05 1-05 001 2 665605 0500001 16641 The sample size for the chosen parameters should be 16641 which is a very large sample.
The confidence interval also called margin of error is the plus-or-minus figure usually reported in newspaper or television opinion poll results.
Therefore the sample size can be calculated using the formula as 10000 196 2 05 1-05 005 2 10000 1 196 2 05 1-05 005 2 Therefore 370 customers will be adequate for deriving meaningful inference. 258 2 05 1-05 001 2 665605 0500001 16641 The sample size for the chosen parameters should be 16641 which is a very large sample. Using these data your sample size will be 385. Nov 23 2020 4.