Question

Knilona earned scores of 97,73 and88 respectively in her first three examinations. if she scored 80 in the forth examinations, then her average will be??

Answer 1

Answer:

97+73+88+80=338

As the formula used for finding average is Sum of observations/No.of observations.

Here sum of observations is 338

And the no. of observations are 4

So, 338/4=84.5 is the average

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Step-by-step explanation:

Answer 2

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