PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!! A high school principal reports that the average SAT Math score for last year’s graduating class is 520. A sample is taken of this year’s graduating class is taken and the average SAT Math score is reported to be 530. How would you compare the last two graduating classes?
A. There is no difference at all between the SAT Math scores of the last two graduating classes
B. There is significant improvement shown in SAT Math scores for this year’s graduating class
C. This year’s graduating class did significantly worse on the SAT Math when compared to the previous year’s graduating class
D. There is no significant difference in SAT Math scores between the last two graduating classes