Calculate z value for given data

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Reference no: EM1318140

Calculate Z value for given data.

A recent article in the Myrtle Beach Sun Times reported that the mean labor cost to repair a colour television is $90 with a standard deviation of $22. Monte's TV Sales and Service completed repairs on two sets this morning. The labor cost for the first was $75 and it was $100 for the second. Calculate z values for each and comment on your findings.

Reference no: EM1318140

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