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Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.8 miles per hour.

Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.8 miles per hour.

Speed (miles per hour): 42-45 46-53 50-53 54-57 58-61

Frequency: 22 14 6 4 1

The mean of the frequency distribution is ? per hour...

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