MATH 533 Week 4 Quiz.
Course: MATH 533 Applied Managerial Statistics Institution: DeVry Contributor: Mike Mentzer Format: DOCX/PPTX Pages: 7
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WEEK 4 QUIZ Suppose a random sample of 400 is selected from a population with a standard deviation of 5. If the sample mean is 25, the 98% confidence interval to estimate the population mean is between . 24.75 and 25.26 24.49 and 25.51 24.76 and 25.25 24.42 and 25.58 24.34 and 25.68 The point estimate of the population mean is. the sample size the sample proportion the sample mean the sample variance Suppose a random sample of 50 is drawn from a population whose standard deviation is unknown. If the sample mean is 70 and the sample standard deviation is 5, the 92% confidence interval to estima
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