If a null hypothesis is rejected at the 25 level of signific

If a null hypothesis is rejected at the 2.5% level of significance, it

Question 2 options:

must be rejected at the 1% significance level.

may or may not be rejected at the 1% significance level.

must be rejected at any significance level.

must not be rejected at the 1% significance level.

Solution

If a null hypothesis is rejected at the 2.5% level of significance, it

Question 2 options:

must be rejected at the 1% significance level.

may or may not be rejected at the 1% significance level.

must be rejected at any significance level.

must not be rejected at the 1% significance level.

Answer B

Given the p value is <0.025

0.025 >0.01. so not rejected at 0.01 level

if the p value less than 0.01, then reject at 0.01 level otherwise not