(Answered) Williamnbspis interested in knowingnbspwhether or not

Statistics

William is interested in knowing whether or not athletics from his team have lower satisfaction with their team on a survey than the known population average survey score of 19 and the known population survey standard deviation is 12. He samples 36 athletics from his team and finds a sample mean of 15. Assume an alpha = .05.

Conduct a one-sample z-test to answer the question above.
Report hypotheses
the test statistic
the critical value
conclusion with regards to the hypotheses
state what the result means for the problem

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