Statistics

posted by .

Which of the following will increase the power of a statistical test?
a. Change Ą from .05 to .01.
b. Change from a one-tailed test to a two-tailed test.
c. Change the sample size from n = 100 to n = 25.
d. None of the other options will increase power.

  • Statistics -

    Choose d.

    None of the other choices are correct.

    Choice a: should read change alpha from .01 to .05.

    Choice b: should read change from a two-tailed test to a one-tailed test.

    Choice c: should read change sample size n = 25 to n = 100.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Statistics

    Find the sample proportions and test statistic for equal proportions. Is the decision close?
  2. t test

    how to know exact t value using sample standard deviation and sample mean and sample size i think df is sample size -1 . we usually use approx value but to use exact value how to use t score table. and how we conclude whether it is …
  3. statistics t test

    how to know exact t value using sample standard deviation and sample mean and sample size i think df is sample size -1 . we usually use approx value but to use exact value how to use t score table. and how we conclude whether it is …
  4. statistics z or t test

    the average weekly earnings of a production worker were $424. to know if wages, on average, have gone up since that time. To test this, you sample 64 production workers, and determine that their average salary is $432.69, with a sample …
  5. immediate help needed statistics one tailed hypo

    the average weekly earnings of a production worker were $424. to know if wages, on average, have gone up since that time. To test this, you sample 64 production workers, and determine that their average salary is $432.69, with a sample …
  6. statistics

    Use Excel to find the p-value for each test statistic.a. Right-tailed test, t = +1.677, n = 13 b. Left-tailed test, t = −2.107, n = 5 c. Two-tailed test,t = −1.865, n = 34
  7. statistics

    10. Explain how the power of a hypothesis test is influenced by each of the following. Assume that all other factors are held constant. a. Increasing the alpha level from .01 to .05. b. Changing from a one-tailed test to a two-tailed …
  8. statistics

    20. Explain how the power of a hypothesis test is influenced by each of the following. Assume that all other factors are held constant. a. Increasing the alpha level from .01 to .05. b. Changing from a one-tailed test to a two-tailed …
  9. Statistics/Math

    I want to test H0: p = .12 vs. Ha: p ≠ .12 using a test of hypothesis. This test would be called a(n) ____________ test. A) two-tailed B) right-tailed (this one?
  10. Statistics

    so we will be having a quiz about hypotheses testing and i cant still figure out the difference between the null hypothesis with alternative hypothesis. PLEASE HELP ME DIFFERENTIATE THE TWO. And i still get confused between one tailed …

More Similar Questions