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nlexa [21]
3 years ago
10

Which of the following best describes the change in the mean when 1213 is

Mathematics
1 answer:
Rama09 [41]3 years ago
4 0

Answer:

A

Step-by-step explanation:

The mean is the sum of all the values divided by the number of values.

Mean = \frac{34+75+26+81+65+38+49}{7}=52.57

When 1213 is added to the data set, new mean is:

New Mean = \frac{34+75+26+81+65+38+49+1213}{8}=197.625

<u><em>Definitely</em></u>, the mean increases. Correct answer is A

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