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Problem: EXPA Media research reported that adult women watch tv an average of 5.3 hrs/ day,compared to an average of 4.6 hrs/day for adult men. Assume that those results are found from a sample of 120 men and 160 women and that the two population standard deviation are minimum 0.48 and 0.60 respectively. Be detailed in your response and provide examples also.

Required:

Question 1: Test the belief that women on the average spend more time watching TV than men. Use a 0.05 significance level.

Question 2: Construct a90% confidence interval for the difference of the means.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
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