recent study compared the time spent together by single- and dual-earner couples.  According to the records kept by the wives during the study, the mean amount of time spent together watching television among the single-earner couples was 61 minutes per day, with a standard deviation of 15.5 minutes.  For the dual-earner couples the mean number of minutes spent watching television was 48.4 minutes, with a standard deviation of 18.1 minutes.  At the .01 significance level, can we conclude that the single-earner couples on average spend more time watching television together?  Fifteen single-earner and 12 dual-earner couples were studied.            MUST USE CRITICAL VALUE, NO P VALUE AND

MATLAB: An Introduction with Applications
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A recent study compared the time spent together by single- and dual-earner couples.  According to the records kept by the wives during the study, the mean amount of time spent together watching television among the single-earner couples was 61 minutes per day, with a standard deviation of 15.5 minutes.  For the dual-earner couples the mean number of minutes spent watching television was 48.4 minutes, with a standard deviation of 18.1 minutes.  At the .01 significance level, can we conclude that the single-earner couples on average spend more time watching television together?  Fifteen single-earner and 12 dual-earner couples were studied.            MUST USE CRITICAL VALUE, NO P VALUE AND NO EXCELL ALL WORK

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