A Random Sample of 25 Third Graders Scored an Average $\alpha$

Multiple Choice

A random sample of 25 third graders scored an average of 3.3 on a standardized spelling test. The standard deviation was 1.06. Is the mean score significantly higher than 3?

A) It is both when $\alpha$ = 0.05 and when $\alpha$ = 0.10.
B) It is when $\alpha$ = 0.05 but it is not when $\alpha$ = 0.10.
C) It is not when $\alpha$ = 0.05 but it is when $\alpha$ = 0.10.
D) It is not when $\alpha$ = 0.05 and it is not either when $\alpha$ = 0.10.