Question a-stud

3.3 One-Variable Data & Statistics - Mean, median, mode, range
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A study was conducted on the production rates for a company that produces tractor wheels. The table below shows the number of wheels made during 11 consecutive one-hour production periods.

One-hour
period
Number
of wheels
made
A24
B24
C21
D21
E21
F19
G24
H24
I19
J22
K23

What is the range of the number of wheels made for the 11 one-hour periods?

A.

5.5

B.

5.0

C.

4.5

D.

4.0

A study was conducted on the production rates for a company that produces tractor wheels. The

Medium-difficulty · SAT Math · One-Variable Data & Statistics — Mean, median, mode, range. Read the question above, select your answer, and check the full explanation below to understand exactly why the correct choice works.

Answer explanation

Choice B is correct. Range is defined as the difference between the greatest and least values from a set of data. The greatest number of wheels made during a one-hour period was 24 wheels. The least number of wheels was 19. Hence, the range is 24 minus 19, equals 5, or 5.0.

Choices A, C, and D are incorrect and may be the result of arithmetic errors or incorrectly identifying the greatest or least number of wheels made during a one-hour period.