Z Test And T Test Example Problems. Whether a one tailed or two tailed test is indicated d. The choice between a z test and a t test for a population mean depends primarily on.
I have a method measurement recruitment of the sample analytical tools to test my hypothesis step 4. T test for population means a hypothesis test for a mean where the population standard deviation is unknown. I have a theory step 2.
The sample size b.
A researcher is interested in the affects that a person s avatar i e. The distribution of individual personal profile views excluding bands artists etc is extremely positively skewed with a mean of 230 views day. A researcher is interested in the affects that a person s avatar i e. Whether a one tailed or two tailed test is indicated d.