Question
Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved the mean listening
Arbitron Media Research Inc. conducted a study of the iPod listening habits of men and women. One facet of the study involved the mean listening time. It was discovered that the mean listening time for a sample of 11 men was 30 minutes per day. The standard deviation was 13 minutes per day. The mean listening time for a sample of 18 women was also 30 minutes, but the standard deviation of the sample was 13 minutes. At the 0.02 significance level, can we conclude that there is a difference in the variation in the listening times for men and women?
a.State the null and alternate hypotheses.
H0: 12=22andH1: 1222
b.State the decision rule.(Round your answer to 2 decimal places.)
c.Compute the value of the test statistic.(Round your answer to 2 decimal places.)
d.Compute thep-value.(Round your answer to 4 decimal places.)
e.What is your decision regardingH0?
f.Interpret the result.
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