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The average amount of time it takes for couples to further communicate with each other...

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The average amount of time it takes for couples to further communicate with each other after their first date has ended is 3 15 days Is this average longer for blind dates A researcher interviewed 57 couples who had recently been on blind dates and found that they averaged 3 5 days to communicate with each other after the date was over Their standard deviation was 1 245 days What can be concluded at the the x 0 05 level of significance Use the p value approach a For this study we should use t test for a population mean b The null and alternative hypotheses would be Ho P H P

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