For each of the following, choose from “increase, decrease, stays the same, not enough information”
A) What happens to the absolute value of Zobt as the difference between the population and sample means decreases?
B) What happens to the value of Zobt as the difference between the population and sample means increases?
C) What happens to the probability of rejecting the null as sigma increases?
D What happens to the probability of rejecting the null as alpha increases?
E) What happens to Zcrit as alpha decreases?
F) What happens to the absolute value of Zcrit as alpha decreases?
G) What happens to Power as the chance of a type 2 error increases?
H) What happens to sigma when the alpha value is decreased?