What is the difference in minutes of median collection times before and after the well was installed?

The answer is 25 minutes

As we see the median time given in minutes before the installation was 53 minutes and after the installation it became 28 so by taking the difference which is 53 - 28 gives us 25 minutes.

The difference in minutes of median collection times before and after the well was installed is:

                                               25

Step-by-step explanation:

Before--

Clearly after looking at the whisker-box plot we could observe that the middle line in the box represents the median of the data.

Hence we have :

Median(M)=53

After--

Similarly looking at the box-whisker plot we could observe that the line in the box is at 28.

Hence, Median of the box after installing the well is(M'): 28

Hence,

The difference in Median is calculated as:

M'-M

= 53-28

= 25

Hence, the difference in minutes of median collection is:

25 minutes.

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step-by-step explanation:

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step-by-step explanation: