A Test of Spelling Ability Is Given to a Random $\alpha$

Multiple Choice

A test of spelling ability is given to a random sample of 10 students before and after they completed a spelling course.The mean score before the course was 119.60 and after the course the mean score was 130.80.The standard deviation of the difference was 16.061.What do you conclude at $\alpha$ = .01?

A) No evidence of a difference
B) Significant difference in the scores