(a) what is a Z score and why is it useful (b) When do you need...

(a) what is a Z score and why is it useful (b) When do you need to calculate and use a Z - Score (c) what are the assumptions when you use a Z score. (d) Give real-life examples where you think a Z score would be useful.

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orchestra answered 2 years ago

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(a) what is a Z score and why is it useful (b) When do you need...

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