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3 years ago

Question 7 (1 point)

Mathematics

1 answer:

zepelin [54]3 years ago

5 0

Answer:

-1.75

Step-by-step explanation:

The z-score = (n - m) / d where n is the value (13) m = mean and d = standard deviation.

= (13 - 20) / 4

= -1.75 (answer)

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