Question

Data concerning the time between failures (in hours of operation) for a computer printer have been recorded, and the first quartile equals 36 hours, the second quartile equals 65 hours, and the third quartile equals 74 hours.The value for the lower inner fence equals

Answer 1

`-21`

1) Let's remind ourselves of what is the Lower Fence.

2) So, let's calculate the Lower Fence given that the Quartiles have been given and the Interquartile Range can be found like this:

`IQR=Q_3-Q_1=74-36=38`

3) So now, we can write down the formula for the Lower Fence as well as plug into that the given data: