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Math-Statistics

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Suppose you want to test the claim that mean is not equal 3.5. Given a sample size of n = 45 and a level of
significance of a = 0.10, when should you reject H0 ?
A) Reject H0 if the standardized test statistic is greater than 1.96 or less than -1.96
B) Reject H0 if the standardized test statistic is greater than 1.645 or less than -1.645.
C) Reject H0 if the standardized test statistic is greater than 2.575 or less than -2.575
D) Reject H0 if the standardized test statistic is greater than 2.33 or less than -2.33.

  • Math-Statistics - ,

    Look up Z scores under a table in the back of your statistics text labeled something like "areas under the normal distribution." There you will find that for a two-tailed test, if Z = 1.96, P = .05. Find the values for the other alternatives to answer your question.

    I hope this helps.

  • Math-Statistics - ,

    Suppose you want to test the claim that Given a sample size of n = 48 and a level of significance of when should you reject ?

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