The parallel dotplots below display the number of hours spent studying for a final exam by each of two classes.
Which of the following is a true statement?
Hours Spent Studying by Class
Statistics

O The range for the distribution of the number of hours
spent studying for calculus is larger.
The range for the distribution of the number of hours
spent studying for statistics is larger.
O There is a larger standard deviation in the
distribution of the number of hours spent studying for
calculus.
O The standard deviation for the distributions of
number of hours spent studying is the same for both
classes
Calculus
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1
5
6
2 3 4
Number of Hours
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