Part A: Based on the samples, which student generally has higher quiz scores?

• A.Kari, because the mean and median of her scores is 84.5.
• B.Jocelyn, because the interquartile range of her scores is 9.
• C.Jocelyn, because she had a maximum score of 95.
• D.Kari, because the range of her scores is 18.

Part B: Suppose both girls got a 90% on their next math quiz. Which student will see a greater increase in her overall math grade?

• A.Jocelyn, because her grade will increase to 84.
• B.Kari, because her grade will increase by 0.8 points.
• C.Jocelyn, because her grade will increase by 1 point.
• D.Kari, because her grade will increase to 85.3.

Exhibits