1. When a null hypothesis can be rejected by an extreme result in one direction only, a two-tail test is appropriate a) True b) False 1(a) The p- Value in hypothesis testing corresponds to the...

1.
When a null hypothesis can be rejected by an extreme result in one direction only, a two-tail test is appropriate

a) True

b) False

1(a)
The
p-
Value in hypothesis testing corresponds to the significance level where a critical value of the test statistic is the same as the calculated value.

a) True

b) False

1(b)
The normal distribution is always used when the null hypothesis involves population mean.

a) True

b) False