Question

Martina is recording the percentages she earned on each quiz in her math class. Here are her results for the last 7 quizzes.
74, 64, 90, 74, 92, 68, 71
Find the range of the data set.

=___

Answer 1

Answer:

28

Step-by-step explanation:

Subtract highest number from lowest.

92-64 = 28