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zmey [24]
3 years ago
15

Given the mean 71.4 and sample standard deviation 11.5 what is the z-

Mathematics
1 answer:
Elenna [48]3 years ago
6 0

Answer: 1.18

Step-by-step explanation:

Z = (x - mean) / standard deviation

Z = (85 - 71.4) / 11.5

Z = 13.6 / 11.5 = 1.18

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