Posted by Jenny on Saturday, December 12, 2009 at 2:43pm.
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.

MathStatistics  PsyDAG, Sunday, December 13, 2009 at 9:20am
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 twotailed test, if Z = 1.96, P = .05. Find the values for the other alternatives to answer your question.
I hope this helps.

MathStatistics  Anonymous, Saturday, December 1, 2012 at 9:47pm
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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