Question: need full ans fast ols Help Save & Exin A recent article in the Collingwood Sun Times reported that the mean labour cost to repair

need full ans fast ols

Help Save & Exin A recent article in the Collingwood Sun Times reported that the mean labour cost to repair a heat pump is $90 with a standard deviation of $22 Dawson's Heating Repairs and Services completed repairs on two heat pumps this morning. The labour cost for the first was $75, and it was $100 for the second. Compute z-values for each. (Round the final answers to 2 decimal places. Negative answers should be indicated by a minus si For $75: 2- For $100: Z=

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