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Joe is measuring the widths of doors he bought to install in an apartment complex. He measured 72 doors and found a mean width of

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Joe is measuring the widths of doors he bought to install in an apartment complex. He measured 72 doors and found a mean width of 36.1 inches with a standard deviation of 0.3 inches. To test if the doors differ significantly from the standard industry width of 36 inches, he computes a zstatistic. What is the value of Joe's z-test statistic

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