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Metropolitan Community College, Omaha - STONE 2 Sophia Statistics Unit 2 Milestone Question And Answers_Already Graded A.
Exam (elaborations) • 22
pages
• 2020
Sophia Statistics Unit 2 Milestone
The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. On a particular day, 52 mobile phones were sold.

What is the z-score of the sale of mobile phones on that day?


-28


28


1.75


-1.75

RATIONALE
Recall that the z-score can be calculated with the following formula:
 

The given value is 52 phones, the mean is 45 phones, and the standard deviation is 4 phones. Plug these values i...
Metropolitan Community College, Omaha - STONE 2 Sophia Statistics Unit 2 Milestone Question And Answers_Already Graded A.
Last document update:
ago
Sophia Statistics Unit 2 Milestone
The manager went over the sales of mobile phones at the store and found that the mean sale was 45, with a standard deviation of 4. On a particular day, 52 mobile phones were sold.

What is the z-score of the sale of mobile phones on that day?


-28


28


1.75


-1.75

RATIONALE
Recall that the z-score can be calculated with the following formula:
 

The given value is 52 phones, the mean is 45 phones, and the standard deviation is 4 phones. Plug these values i...
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