this is a statistics question

Statistics
Tutor: None Selected Time limit: 1 Day

A population has a mean of 81 and a standard deviation of 32. Find the mean and standard deviation with a sample size n=64

Jun 22nd, 2015

Thank you for the opportunity to help you with your question!

u=81

sd=32

For a sample n=64 taken from that population,

upop=usample=81

sd = sdpop/sqrt(sdpop) = 32/sqrt(64) = 4 :)

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 22nd, 2015

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