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July 29th, 2013, 07:03 AM  #1 
Newbie Joined: Jul 2013 Posts: 2 Thanks: 0  Statistics. Null and Alternative Hypothesis.
Question 4 A sociologist believes that women sleep longer per night on the weekend than men. Sixty one people were surveyed. The following summary statistics were determined from the sample. MENWomen Mean8.93hr10.48hr S4.747.01 N3526 a) State the null and alternative hypothesis in symbols and in words. b) Calculate the expected results for the hypothesis test sampling distribution, assuming the null hypothesis is true. (i.e., name and graph of sampling distribution, mean and standard error) c) Identify the standard distribution that best approximates the sampling distribution. d) Formulate the decision rule(use can use either critical test scores or pvalues) e) Determine the statistical sample results , the test statistic and pvalue. f) Determine the conclusion in terms of the null and alternative hypotheses. Do the sample results indicate that the sociologists claim is supported at a = 5%? 

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