9
QuizMultiple Choice

Sampling and Comparing Populations — Test

Question 9 • Grade 7 Mathematics

Which correctly describes the consistency of the speeds of the cars in the two races?

Answer
A
The speeds in race A are likely to be near 145 mph and the speeds in race B are likely to be near to 153 mph.
B
The speeds in race A are likely to be near 120 mph and the speeds in race B are likely to be near to 125 mph.
C
The speeds in race A are likely to be near 153 mph and the speeds in race B are likely to be near to 145 mph.
D
The speeds in race A are likely to be near 170 mph and the speeds in race B are likely to be near to 165 mph.
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