SYM-506 | Hypothesis Testing With Two Samples Module 7 DQ 1 Describe when a z-test should be performed as opposed to a t-test? Which (if any) can we use all the time? Why or why not?Module 7 DQ 2 Your manager who just read an abridged version of a statistics book wants you to test hypotheses for the difference in two population means. The sample sizes for each are 23.
