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  3. one tail or two tail test and why. null and alte

One tail or two tail test and why. Null and alternative hypotheses. Type of test and why. Critical...

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Question

Statistics

  1. One tail or two tail test and why.

  2. Null and alternative hypotheses.

  3. Type of test and why.

  4. Critical values at .05 and .01 levels. Include df, ifneeded.

  5. Compute test

  6. Accept or reject null (Remember to include level ifreject.)

  7. English conclusion (as we do in class).


16. People are selected to serve on juries by randomlypicking names from the list of registered voters. The average agefor registered voters in the country is μ = 39.6 years. Astatistician randomly selects a sample of n = 16 people who arecurrently serving on juries. The average age for the sample is M =48.9 years with a standard deviation = 12.4 years. Is the mean ageof this sample significantly different than the mean age forregistered voters? (18 points)

  1. IV

      DV


  1. Set up as a formal inferential proof.

  2. Calculate the point estimate for the mean of thepopulation.

Calculate the 99% confidence interval for the mean ofthe population

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