Mathematics, 24.09.2020 06:01 naenaehampton13

The z-score of an observation equal to 25 from a population with mean 50 and a standard deviation equals to 10 equals: A.-3.5
B. -1.75
C. - 1.5
D. -2.5

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The z-score of an observation equal to 25 from a population with mean 50 and a standard deviation eq...