John uses our guidelines to arrive at an interval size of 30. Which of the following is the most likely value for the range of scores in his sample?
A) 385
B) 210
C) 710
D) 862

Question

Quizplus · Accepted Answer

The range is the difference between the highest and lowest scores. The interval size is 30, so the range must be a multiple of 30. The only answer choice that is a multiple of 30 is A) 385.

John Uses Our Guidelines to Arrive at an Interval Size