3 years ago

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:

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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