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a recent study in compare the time spent together by a single and dual earner couples...

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Basic Math

a recent study in compare the time spent together by asingle and dual earner couples was 61 minutes per day, with astandard deviation of 15.5 minutes. for the Dual earner couples themean number of minutes spent watching television was 48.4 minutesand a standard deviation of 18.1 minutes. at the 0.01 significantlevel we can conclude that the single earner couples on the averagespend more time watching television together? there are 15 singleearned and 12 dual earner couples studied. for calculation assumethe single earner as the first sample

Answer & Explanation Solved by verified expert
3.8 Ratings (557 Votes)
H0 H1 The test statistic t sqrts121 s222 61 484sqrt155215 181212 191DF s121    See Answer
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