Question

A teacher calculates the class average on an exam for each of his four classes and finds that the means are equal. Which statement below would lead to believe that this teacher was most pleased with the exam scores in his period 1 class?
A. The scores for period 1 had the lowest median.
B. The scores for period 1 had the highest median.
C. The scores for period 1 had the lowest standard deviation.
D. The scores for period 1 had the lowest IQR.

Answer 1

Correct Answer: C) The scores for period 1 had the lowest standard deviation.

I just did the assignment, trust me.

Answer 2

Answer:

The scores for period 1 had the highest median.

Step-by-step explanation:

The median is the middle score.

Thus if the class had the highest median, it would mean that more scores are higher, that there are more high scores, than the other classes.