Z Test And T Test Example Problems. I collect some data and it should match my prediction when step 4 fails we have problems because we do not know where the failure comes from. One sample z and t tests.
I have a theory step 2. Bad theory bad hypothesis. A researcher is interested in the affects that a person s avatar i e.
One sample z and t tests.
The distribution of individual personal profile views excluding bands artists etc is extremely positively skewed with a mean of 230 views day. Whether a one tailed or two tailed test is indicated d. One sample z and t tests. Z test for population proportions.
