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2 years ago

14

Mark earned a 64 on his last science quiz. If Mark’s z-score was -2.8 and the standard deviation was 10, find the mean grade on

the quiz.

1 answer:

docker41 [41]2 years ago

8 0

Answer:

he score is 2.15 standard deviations above the mean.

Step-by-step explanation:

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