Test Scores for 40 Job Applicants at Briar and Flanagan

Multiple Choice

Test scores for 40 job applicants at Briar and Flanagan are reported in the table below.Suppose you intend to show the values in a grouped data relative frequency table, using the intervals 30 to under 40, 40 to under 50, 50 to under 60, and so on.What's the relative frequency value that you should enter in the table for the interval "70 to under 80"?

A) .125
B) .175
C) .150
D) .200
E) .250