Compare the scores: a score of 50 on a test with a mean of 40 and a standard deviation of 4 and a score of 90 on a test with a mean of 80 and a standard deviation of 8.

a.

A score of 50 with a mean of 40 and a standard deviation of 4 is better.

b.

You cannot determine which score is better from the given information.

c.

A score of 90 with a mean of 80 and a standard deviation of 8 is better.

d.

None of the given choices is correct

e.

The two scores are statistically the same.