Estimate Sample Size Needed. Excel function for the critical value. Often times we are interested in estimating a population parameter like the population mean mu μ within a certain range of precision.
5 n n 196. Estimate the minimum size sample required if the standard deviation of start up times for similar software is 12 seconds. 2 days ago Calculate the sample size needed when given these factors.
Click on the Calculate.
Number of respondents needed. A real estate agent wishes to estimate to within 250 the mean retail cost per square foot of newly built homes with 80 confidence. Estimate the minimum size sample required if the standard deviation of start up times for similar software is 12 seconds. If your population is smaller and known just use the sample size calculator.
