Asked by sireesha

draw a simple random sample of 15 students from your class,and calculate sample mean and sample variance of their heights(use lottery method)

Answers

Answered by PsyDAG
Find the mean first = sum of scores/number of scores

Subtract each of the scores from the mean and square each difference. Find the sum of these squares. Divide that by the number of scores to get variance.
There are no AI answers yet. The ability to request AI answers is coming soon!

Related Questions