Question

The American Water Works Association reports that the per capita water use in a single family home is 66 gallons per day Lega
b. Compute the value of the test statistic (Negative amount should be indicated by a minus sign. Round your answer to 2 decim
0 0
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Answer #1

(a) t < -1.721

(b) -3.01

(c) Reject

66.00 hypothesized value
61.00 mean 1
7.80 std. dev.
1.66 std. error
22 n
21 df
1.721 critical value
-3.007 t
.0034 p-value (one-tailed, lower)
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