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  • 15-12-2020
  • Mathematics
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3) The mean of a set of data is 4.68 and its standard deviation is 2.83. Find the z score for a value of 9.38.

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  • 15-12-2020

Answer:

1.66

Step-by-step explanation:

The mean of a set of data is 4.68 and its standard deviation is 2.83. Find the z score for a value of 9.38

Given that :

Mean (m) = 4.68

Standard deviation (s) = 2.83

Value of x = 9.38

Zscore = (x - mean) / standard deviation

Zscore = (9.38 - 4.68) / 2.83

Zscore = 4.7 / 2.83

Zscore = 1.6607773

Hence, Zscore for a value of 9.38 is 1.66

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