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1. What is the coefficient of variation of 132, 185, 167, 220, 155, 141, 150? 2. What is the coefficient of variation of 12, 15.3,

1. What is the coefficient of variation of 132, 185, 167, 220, 155, 141, 150?

2. What is the coefficient of variation of 12, 15.3, 11, 10, 16, 13.5, 14.8?

3. Two young men were driving on a road with a speed limit of 35 mph. How much would be the calculation of the variance and standard deviation.

Speed Limit	Frequency
42-45	20
46-49	13
50-53	8
54-57	4
58-61	3

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