Question

1.) In a hypothesis test, the observed value was found to be -2.10 whereas the critical value was 2.39. Based on this information we:

a.) Fail to reject the null hypothesis

b.) Reject the null hypothesis

2.) In a hypothesis test, the observed value was found to be -4.10 whereas the critical value was 2.39. Based on this information we:

a.) Fail to reject the null hypothesis

b.) Reject the null hypothesis

Please explain why.

Answer 1

1)

Given that,

Observed value = -2.10

Critical value = 2.39

Observed value < Critical value

Fail to reject the null hypothesis

a) is correct .

2)

Observed value = -4.10

Critical value = 2.39

Observed value > Critical value

Reject the null hypothesis .

Option b) is correct .