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IgorC [24]
3 years ago
14

Given a mean of 7.6 and a standard deviation of 3.1, what is the z-score of the value 5 rounded to the nearest tenth?

Mathematics
1 answer:
kaheart [24]3 years ago
5 0

Given mean μ = 7.6 and standard deviation σ =3.1

The z score value for x= 5 is given by

Z = \frac{x - mean}{standard deviation}

Z = \frac{5 - 7.6}{3.1 }

Z = -0.8387

The Z- score value rounded to nearest tenth is -0.8

The correct answer choice is A. -0.8

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