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The mean SAT score in mathematics is 508 The standard deviation of these scores is...

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The mean SAT score in mathematics is 508 The standard deviation of these scores is 31 A special preparation course claims that the mean SAT score u of its graduates is greater than 508 An independent researcher tests this by taking a random sample of 37 students who completed the course the mean SAT score in mathematics for the sample was 518 Assume that the population is normally distributed At the 0 05 level of significance can we conclude that the population mean SAT score for graduates of the course is greater than 508 Assume that the population standard deviation of the scores of course graduates is also 31 Perform a one tailed test Then complete the parts below Carry your intermediate computations to three or more decimal places and round your responses as specified below If necessary consult a list of formulas a state the null hypothesis Ho and the alternative hypothesis H H 0 b Determine the type of test statistic to use Choose one c Find the value of the test statistic Round to three or more decimal places d Find the p value Round to three or more decimal places H x X a S OSO D P Q 00 NO DO

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