Please Respond to the following post with a paragraph, add citations and references.

A T-test determines if there is a statistical significant difference between 2 independent sample groups. This test asks – whetherthere is a difference between the means of 2 groups because of chance. This test is geared for a samll sample size of <30.

Key points of a T test:

A Z-test is a statistcal calculation that can be used to compare populations to means to a sample. Basically, how far in standard deviation data points are from the mean of the data points. This test compares the sample to a defined population and is used for a large sample size n>30. This tests hypothesis iwhen the S.D. is known.

Key points of a Z-test:

Z Test & T Test: Similarities & Differences. 2018 Retrieved from…

Surbhi, S. March 10, 2018. Difference between t-test and z-test. Retrieved from…

Leave a Reply

Your email address will not be published.