Question

The dot plots below show the scores for a group of students for two rounds of a quiz:

Answer 1

Answer: A. The range of each round is the same.

Step-by-step explanation:

Below shows the total score for both rounds. As you can see the totals for both rounds are very close so their range is most likely the same.

Round 1

(2 x 2) + (3 x 3) + (4 x 2) + 5 = 26

   4             9             8

Round 2

(3 x 2) + (4 x 3) + (5 x 2) + 2 = 30
   6            12           10