Single Sample Mean Z-test *This test is appropriate when you have a large sample (N>=100)   Stating the null hypothesis (Ho)   Ho (null hypothesis) is written differently, depending on the situation, but always means “no difference”   H1 (research hypothesis) is the substantive claim about the population             H1 can be non-directional (  ≠  ) which is a two-tailed test             H1 can be directional ( <  > ) which is a one-tailed test

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Single Sample Mean Z-test

*This test is appropriate when you have a large sample (N>=100)

 

  1. Stating the null hypothesis (Ho)

 

Ho (null hypothesis) is written differently, depending on the situation, but always means “no difference”

 

H1 (research hypothesis) is the substantive claim about the population

            H1 can be non-directional (  ≠  ) which is a two-tailed test

            H1 can be directional ( <  > ) which is a one-tailed test

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