Paired data and assuming normality
Find the 98% confidence interval for determine?d based on such paired data and assuming normality. (Give your answers correct to one decimal place.)
Before 63 64 70 41 42 62
After 31 60 56 54 55 41
Lower Limit:
Upper Limit:
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Determine z. (Give your answer correct to two decimal places.) Determine the p-value. (Give your answer correct to four decimal places.)
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If absolute value of the test statistic is less than the critical value in a hypothesis test the decision is to:
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