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Daniel [21]
3 years ago
5

What happens to the mean of the data set shown below if the number 20 is added to the data set?

Mathematics
1 answer:
defon3 years ago
4 0

Answer:

This shows that the mean increases by 2.95

Step-by-step explanation:

Assume the given data is 2, 5, 6, 8

Mean = 2 +5+6+8/4

Mean = 21/4

Mean = 5.25

If number 20 is added, the data becomes 2, 5, 6, 8, 20

New mean = 2 +5+6+8+20/4

New mean = 41/5

New mean = 8.2

Taking the difference in the mean:

Difference = 8.2 - 5.25

Difference = 2.95

This shows that the mean increases by 2.95

<em>NB: The data used was assumed since we are not given any data in question</em>

<em></em>

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