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Population mean for psychology test

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Reference no: EM132188072

The population mean for psychology test in a class that is usually taken by juniors and seniors is 100 (out of 200)with a population standard deviation of 16. A random sample of 16 sophomores is selected from the course and they have a mean score of 116 with a sample standard deviation of .10.With alpha set to .01, the research question is whether or not sophomores are different from the average students in the class.

  • State the hypothesis.
  • Compute the statistics
  • Make a hypothesis decision.
  • Answer the research questions.

Reference no: EM132188072

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