statistics

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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?

  • statistics -

    Degrees of freedom = n - 1
    Note: n = sample size

  • statistics -

    n=5

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