Mathematics, 23.06.2021 21:40, jonestmoney381
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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 z-
statistic
ZE
X-H
//n
What is the value of Joe's z-test statistic?
O 1.81
O 2.83
о
-2.83
O 1.81
O
RI
a
11:25 AM
6/23/2021
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Answers: 2
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