Compare the scores: a score of 88 on a test with a mean of 79 and a score of 78 on a test with a mean of 70.
A)You cannot determine which score is better from the given information.
B)The two scores are statistically the same.
C)A score of 75 with a mean of 65 and a standard deviation of 8 is better.
D)A score of 75 with a mean of 70 and a standard deviation of 4 is better.

Question

Quizplus · Accepted Answer

To compare the scores effectively, additional information such as the standard deviation of the scores on each test is needed. Without knowing the distribution or variability of the scores, it's impossible to determine which score is relatively better.

Compare the Scores: a Score of 88 on a Test