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Vanyuwa [196]
4 years ago
8

Katherine earned 84, 92, 84, 75, and 70 on her first 5 tests.

Mathematics
1 answer:
pentagon [3]4 years ago
5 0

Answer:

D

Step-by-step explanation:

Okay, so the best way to find is too plug in the answer choices.

to find the mean you: add all the numbers up and then, you divide it by however many numbers there are.

<em>minimum meaning exactly 84 no greater!</em>

<u>Start with letter choice A</u>

84+92+84+75+70+81=486

486/6=81 which is  below minimum

<u>Next is letter choice B</u>

84+92+84+75+70+84=489

84/6=81.5 which is below minimum

<u>Next is letter choice C</u>

84+92+84+75+70+95=500

500/6=83.3 which is below minimum

<u>Next is letter choice D</u>

84+92+84+75+70+99=504

504/6=84 which is the correct answer

pls mark me brainliest

<em />

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