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Mathematics, 02.08.2019 19:20 la200564
Arandom sample of 1562 undergraduates enrolled in a marketing course was asked to respond on a scale from one (strongly disagree) to seven (strongly agree) with the proposition: “advertising raise our standard of living.” the sample mean response was 4.27, and the sample standard deviation was 1.32. test the null hypothesis that the population mean is 4, against the alternative hypothesis that it is not 4. use a 1% level of significance. the test statistic and its sampling distribution are .
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Arandom sample of 1562 undergraduates enrolled in a marketing course was asked to respond on a scale...
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