Which of the following numerical data sets has a mean of 40? A) 18,82 B) 21, 34, 65 C) 38, 39, 40, 41 D) 20, 30, 40, 55 help!

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asked Nov 12, 2022 78.9k views

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Nicolas Hauzaree · Answer 1 · 2022-11-18T14:57:40+0000

Answer:

The answer is B) 21, 34, 65

Explanation:

21 + 34 + 65 = 120

120 divided by 3 = 40.

In order to find the mean you must add up all of the numbers in the numerical data set, then divide that by how many numbers there are. Hope this helps! :)

Which of the following numerical data sets has a mean of 40? A) 18,82 B) 21, 34, 65 C) 38, 39, 40, 41 D) 20, 30, 40, 55 help!

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Which of the following numerical data sets has a mean of 40? A) 18,82 B) 21, 34, 65 C) 38, 39, 40, 41 D) 20, 30, 40, 55 help!​

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Which of the following numerical data sets has a mean of 40? A) 18,82 B) 21, 34, 65 C) 38, 39, 40, 41 D) 20, 30, 40, 55 help!