Twenty students were randomly selected from the most recent graduating class at a Canadian university. The number of semesters they were enrolled was calculated (mean = 9.6)
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-What is the range?
A)8
B)2.162
C)9.5
D)4.674
E)21.846

Question

Twenty students were randomly selected from the most recent graduating class at a Canadian university. The number of semesters they were enrolled was calculated (mean = 9.6)
7, 8, 10, 11, 8, 6, 10, 9, 9, 8, 13, 12, 8, 11, 11, 14, 8, 7, 10, 12

-What is the range?
A)8
B)2.162
C)9.5
D)4.674
E)21.846

Quizplus · Accepted Answer

The range is the difference between the highest and lowest values in the dataset. The highest value is 14 and the lowest is 6, so the range is 14 - 6 = 8.

Twenty Students Were Randomly Selected from the Most Recent Graduating