Research methods final 2

4 Responses | Created by ssauro |
  1. 1

    Bill was told by his professor that he had a z-score of +2 on his last test and that the class average was 75 with a standard deviation of 5 points. What was Bill's raw score?

  2. 2

    What were the sample means that mark the middle 95% of a distribution with a population mean of 200 and a standard deviation of 75?

  3. 3

    What proportion of the sample means would fall between the population mean of 600 and the sample mean of 800 if the standard deviation of the sampling distribution was 100?

  4. 4

    What are the degrees of freedom for an independent samples t-test that uses two samples with n-12 in each sample

  5. 5

    According to the central limit theorem, sampling distributions of means are always

  6. 6

    How is relative frequency defined

  7. 7

    For a one-tailed test with an alpha of .05, the tcrit value is

  8. 8

    Degrees of freedom for a single-sample t-test is equal to

  9. 9

    The power of a statistical test is the probability of

  10. 10

    What is the purpose of critical value?

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