Which of the following is NOT an assumption or condition that needs to be checked for a two-sample t-test for the difference between two means? Nearly Normal Condition: Each sample size is greater...

Which of the following isNOT an assumption or condition that needs to be checked for a two-sample t-test for the difference between two means?

Nearly Normal Condition: Each sample size is greater than 30 OR the population is approximately normal.

The samples selected must be random or representative.