Arbitron Media Research Inc. conducted a study of the iPod listening habits of m

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 time. It was discovered that the mean listening time for a sample of 10 men was 37 minutes per day. The standard deviation was 13 minutes per day. The mean listening time for a sample of 16 women was also 37 minutes, but the standard deviation of the sample was 14 minutes. At the 0.10 significance level, can we conclude that there is a difference in the variation in the listening times for men and women? (Round your answer to 3 decimal places.)

The test statistic is  .


Decision:  (Click to select)  Do not reject  Reject  H0:21=22.H0:12=22.

Explanation / Answer

here test statsitc F ratio =s12/s22 =(13/14)2 =0.862

Decision : for (10-1=9,16-1=15) degree of freedom and 0.1 level rejection region F>2.589 and F<0.333

as test statsitic is nt in rejection egion Do not reject

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