Answer:
m
Step-by-step explanation:
Answer:
1. a. z test for means and t test for means.
2. C. HA : mu1 - mu2 > 0
Step-by-step explanation:
Hypothesis testing is used in a situation where there are more than 1 alternative available. The t test is conducted in the mean which determines the t value and then this value is compared with p value to identify the situation whether to accept or reject the null hypothesis. The alternative hypothesis in this situation is is represented by mu.
Usually, this means just going with the flow, not actually doing the work, just look ing like you are. hoped this helped
Answer:
We have to reject the null hypothesis because the t-value is greater than the critical value .
Step-by-step explanation: