Asked by Nick

a simple random sample of size n=5 is obtained from the population of drivers living in New York City, and the breaking reaction time of each driver is measured. The results are to be used for constructing a 95% confidence interval. What is the number of degrees of freedom that should be used for finding the critical value ta/2?
Answered by MathGuru
Degrees of freedom = n - 1
Note: n = sample size
Answered by Anonymous
n=5
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