Hard
Significance tests, Null hypothesis testing
SPSS
Free
In a one-sample t-test, you obtain a t-statistic of 2.5 with df = 20. If the critical value for alpha = 0.05 (two-tailed) is 2.086, what is your decision regarding the null hypothesis?
A
Fail to reject Ho because 2.5 > 2.086
B
Reject Ho because 2.5 > 2.086
C
Reject Ho because p > 0.05
D
Accept Ha because the sample mean is different