Multiple Choice
A researcher is interested in estimating the mean weight of a semi tractor truck to determine the potential load capacity.She takes a random sample of 17 trucks and computes a sample mean of 20,000 pounds with sample standard deviation of 1,500.She decides to construct a 98% confidence interval to estimate the mean.The degrees of freedom associated with this problem are _______.
A) 18
B) 17
C) 16
D) 15
E) 20
Correct Answer:
Verified
Correct Answer:
Verified
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