Question

Data collected on the time it takes in seconds for 83 randomly selected passages of play in a game of rugby were collected. Those times (in seconds) are shown below. - A graph is included to but it only lets me send one picture

Answer 1

mean is the addition of all the times divided by the total number of times

Adding all the rugby times on the first page

`11+1.9+24.4+\ldots+18.5+5=486.4`

Adding all the rugby times on the second page

`14.6+8.6+\cdots+12.9+50.1=703.6`

Adding all the rugby times on the third page

`3.6+46.8+\cdots+9.8+28.4=504`

The total times on the first page is 30

The total times on the second page is 31

The total times on the third page is 22

The mean is

Hence, the mean is 1694sec