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How do you find the upper and lower cutoff of the data sets using z scores of +1.645 and - 1.645? Please include an explanation
How do you find the upper and lower cutoff of the data sets using z scores of +1.645 and - 1.645? Please include an explanation with work? I am having a hard time understanding z scores and would like to know how to solve for the answer.
The set includes:
ID Z-score
5 0.14608
10 1.38346
15 0.76477
20 0.14608
25 0.45542
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