A researcher has collected some data on the amount of time in seconds (to the nearest 0.1 second) that it took trained rats to run through a maze. The data is shown below arranged in a frequency distribution of grouped scores. The cumulative percentage for the interval 5.2-5.5 is _________.
A) 13.89%
B) 47.22%
C) 22.22%
D) 36.11%

Question

A researcher has collected some data on the amount of time in seconds (to the nearest 0.1 second) that it took trained rats to run through a maze. The data is shown below arranged in a frequency distribution of grouped scores.  The cumulative percentage for the interval 5.2-5.5 is _________.
A) 13.89% 
B) 47.22% 
C) 22.22% 
D) 36.11%

Quizplus · Accepted Answer

The Answer is D

A Researcher Has Collected Some Data on the Amount of Time