Question

The 7 students in Mr. Campbell's class were asked how many minutes it takes them to get to school in the morning. Here is what they answered:11, 8, 11, 8, 7, 9, 4Find the median and mean travel times for these students.If necessary, round your answers to the nearest tenth. median:mean:

Answer 1

Given:

The data set = 11, 8, 11, 8, 7, 9, 4.

The number of the data =7.

Aim:

We need to find the mean and median of the given data set.

To find:

We know that

`\text{Mean}=\frac{The\text{ sum of the data}}{the\text{ number of the data in the set}}`

Substitute known values.

`\text{Mean}=(11+8+11+8+7+9+4)/(7)`

`\text{Mean}=8.3`

Rewrite the given data in terms from least to greatest.

4, 7, 8, 8, 9, 11, 11

We know that the median is the middle term of the data set.

The median = 4th term

`\text{Median =8}`

Final answer:

`\text{Median =8}`
`\text{Mean}=8.3`