Question
A shipment of small lab mice arrives at an animal care facility with a nominal weight of 10 g per mouse.The technician wishes to test
A shipment of small lab mice arrives at an animal care facility with a nominal weight of 10 g per mouse.The technician wishes to test the hypothesis that the average weight of the mice matches the nominal value vs. that the mice are overweight at.A sample of 10 mice is selected and weighed and the technician found their average weight to be 11.23 g with a standard deviation of 1.913.The computer output included the following:
t-test
Test Statistic2.0323
Prob > | t |0.0727
Prob < t0.9637
Prob > t0.0363
Which of the following is correct?
The p-value is 0.04 and there is evidence atthat the mean weight is less than the nominal weight.
The p-value is 0.05 and there is no evidence atthat the mean weight is less than the nominal weight.
The p-value is 0.07 and there is no evidence atthat the mean weight is less than the nominal weight.
The p-value is 0.96 and there is no evidence atthat the mean weight is less than the nominal weight.
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