<p>The number of hours per week spent in doing homework by some students is shown in the table below.</p>
<div class="table-container"><table><colgroup><col style="width: 200px;"><col style="width: 100px;"><col style="width: 100px;"><col style="width: 100px;"><col style="width: 100px;"></colgroup><thead><tr><th style="text-align: center"><p><strong>Number of hours per week</strong></p></th><th style="text-align: center"><p>$5$</p></th><th style="text-align: center"><p>$6$</p></th><th style="text-align: center"><p>$7$</p></th><th style="text-align: center"><p>$8$</p></th></tr></thead><tbody><tr><td style="text-align: center"><p><strong>Number of students</strong></p></td><td style="text-align: center"><p>$10$</p></td><td style="text-align: center"><p>$16$</p></td><td style="text-align: center"><p>$13$</p></td><td style="text-align: center"><p>$6$</p></td></tr></tbody></table></div>
<p>Calculate</p>
<ol class="abc-list"><li><div class="list-item-paragraph">the total number of students,</div></li><li><div class="list-item-paragraph">the total number of hours spent by all the students,</div></li><li><div class="list-item-paragraph">the mean number of hours per week spent by the students.</div></li></ol>

The number of hours per week spent in doing homework by some students is shown in the table below.

<p><strong>Number of hours per week</strong></p>

<p><strong>Number of students</strong></p>

the total number of hours spent by all the students,

the mean number of hours per week spent by the students.

Finding The Mean From A Frequency Table

Finding The Mean From A Frequency Table

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