A set of data is normally distributed with a mean of 40 and a standard deviation of 5. a) Find the z-score of the value 55. b) What does z= -2 mean? Explain Briefly.

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A set of data is normally distributed with a mean of 40 and a standard deviation of 5.
a) Find the z-score of the value 55.
b) What does z= -2 mean? Explain Briefly.
Transcribed Image Text:A set of data is normally distributed with a mean of 40 and a standard deviation of 5. a) Find the z-score of the value 55. b) What does z= -2 mean? Explain Briefly.
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