The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean...
The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean of the frequency distribution. Round your answer to one more decimal place than is present in the original data values.
Speed (mph) / Cars ////////////////// 30-39 / 3 40-49 / 14 50-59 / 1 60-69 / 15 70-79 / 17
Homework Answers
The statistic software output for this problem is :
Approximate summary statistics:
Using counts in Cars
| Column | n | Mean |
|---|---|---|
| Speed | 50 | 60.3 |
The mean of the frequency distribution = 60.3
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The highway speeds of 100 cars are summarized in the frequency
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