The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean...

Question

Question

The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean speed.

a.54.5 mph

b. 58.2 mph

c. 55.4 mph

d. 60.9 mph

Answer 1

Answer #1

Sample mean formula

=55.4

c. 55.4 mph

Answer 2

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