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Mathematics, 03.09.2020 09:01 abbeyeasterwood
A pediatrician’s records showed the mean height of a random sample of 25 girls at age 12 months to be 29.530 inches with a standard deviation of 1.0953 inches. (a) Construct a 95 percent confidence interval for the true mean height. (4 marks) (b) What sample size would be needed for 95 percent confidence and an error of 6.20 inch?
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A pediatrician’s records showed the mean height of a random sample of 25 girls at age 12 months to b...
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