Finding The Mean From A Frequency Table
Finding The Mean From A Frequency Table
TGM Original
The number of hours per week spent in doing homework by some students is shown in the table below.
Number of hours per week | \(5\) | \(6\) | \(7\) | \(8\) |
|---|---|---|---|---|
Number of students | \(10\) | \(16\) | \(13\) | \(6\) |
Calculate
- the total number of students,
- the total number of hours spent by all the students,
- the mean number of hours per week spent by the students.
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Answer:(a) \(45\) students (b) \(285\) hours (c) \(6\frac{1}{3}\) hours
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