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Answer: d. None of the above

To find the mean, you will add all the numbers together and divide them by the total amount of number. Here are the steps to make it more clear for you!

(23 + 45 + 87 + 40 + 50)/5

245/5

49

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The mean of a dataset is its average

None of the options represent the mean of the data set

The data elements are given as:

23, 45, 87, 40, 50

The mean is calculated as:

[tex]\bar x = \frac{\sum x}{n}[/tex]

So, we have:

[tex]\bar x = \frac{23+ 45+ 87+ 40+ 50}{5}[/tex]

Evaluate the sums

[tex]\bar x = \frac{245}{5}[/tex]

Evaluate the quotient

[tex]\bar x = 49[/tex]

Hence, none of the options represent the mean of the data set

Read more about mean at:

https://brainly.com/question/14532771