• 2022-06-07
    Which of the following is a statistic that can be used to test hypotheses about a single population parameter?
    A: F statistic
    B: t statistic
    C: LM statistic
    D: Durbin Watson statistic
  • B

    内容

    • 0

      A statistic is usually unobservable while a parameter is usually observable.

    • 1

      Statistic

    • 2

      An unbiased estimator is a sample statistic, which has an expected value equal to the value of the population parameter.

    • 3

      The critical region is: A: the region in which our sample statistic must fall if we are going to be certain to make a Type I error. B: the region in which our sample statistic must fall if we are not to reject the null hypothesis. C: the region in which our sample statistic must fall if we are going to be certain to make a Type II error. D: the region in which our sample statistic must fall if we are to reject the null hypothesis.

    • 4

      A F-statistic is used to test the hypothesis that: A: two population variances are equal. B: MSE equals 0. C: a z-statistic is greater than 0. D: a z statistic less than a t statistic.