A company's Chief Operating Officer (COO) keeps track of the mileage on her trips from her office at corporate headquarters to the company's off-site manufacturing facility and its nearby suppliers. The stem-and-leaf display of the data for one year is below. What would be the class length for creating the frequency histogram?
A) 14
B) 9
C) 27
D) 18
E) 23

Question

A company's Chief Operating Officer (COO) keeps track of the mileage on her trips from her office at corporate headquarters to the company's off-site manufacturing facility and its nearby suppliers. The stem-and-leaf display of the data for one year is below.  What would be the class length for creating the frequency histogram?
A) 14 
B) 9 
C) 27 
D) 18 
E) 23

Quizplus · Accepted Answer

Measurements = 12; classes = 4; class length = (838 − 769)/4 = 17.25, rounded to 18

A Company's Chief Operating Officer (COO) Keeps Track of the Mileage