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A professor announced to her class that the average score for the 37 exams received was 86. She later discovered
three additional exams with scores of 76, 81 and 97. These exams were not included in the class average she
reported to the class. Is it possible to calculate the new class average? If so, what is it? If not, justify why.

Respuesta :

Answer:

New average = 85.9.

Step-by-step explanation:

Yes, the new class average can be calculated.

The New total of the scores = 37*86 + 76 + 81 + 97

= 3436.

The new total of examinations sat = 37 + 3 = 40.

Therefore the new class average =  3436 / 40

= 85.9

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