Question

A random sample of 30 college students is selected. Each student is asked how much time he or she spent on homework during the previous week. The following times​ (in hours) are obtained. 19​, 15​, 17​, 18​, 24​, 22​, 21​, 20​, 18​, 20​, 18​, 21​, 17​, 22​, 16​, 23​, 24​, 15​, 20​, 17​, 19​, 23​, 18​, 17​, 15​, 24​, 20​, 20​, 19​, 16 Construct a frequency distribution for the data.

Answer 1

See Explanation

Explanation:

Given the number of hours each student spent doing homework below:

19​, 15​, 17​, 18​, 24​, 22​, 21​, 20​, 18​, 20​, 18​, 21​, 17​, 22​, 16​,

23​, 24​, 15​, 20​, 17​, 19​, 23​, 18​, 17​, 15​, 24​, 20​, 20​, 19​, 16

The table below is a frequency distribution for the data

`\left|\begin{array}c\text{Number of Hours}&\text{Number of Students}\\(Homework)&Frequency\\-----&------\\15&3\\16&2\\17&4\\18&4\\19&3\\20&5\\21&2\\22&2\\23&2\\24&3\\-----&------\\Total&30\end{array}\right|`