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Mathematics, 25.04.2020 03:20 jesser9

1) (12 points) You will use information about the body mass index (BMI) variable for the sample of adolescent girls to compute and interpret confidence intervals. a) Based on the given information, compute a 90% confidence interval for the population mean BMI of adolescent girls. Note that if the sample size is sufficiently large, you can use a z* confidence multiplier instead of a t* confidence multiplier. SHOW ALL WORK IN YOUR DOCUMENT. Round any values that you use to three decimal places. b) In your 90% confidence interval, what is the point estimate for the population mean BMI of adolescent girls? Provide a numeric value. c) In your 90% confidence interval, what is the margin of error? Provide a numeric value. d) Interpret your 90% confidence interval for the population mean BMI of adolescent girls. e) Based on the given information, compute a 95% confidence interval for the population mean BMI of adolescent girls. Note that if the sample size is sufficiently large, you can use a z* confidence multiplier instead of a t* confidence multiplier. SHOW ALL WORK IN YOUR DOCUMENT. Round any values that you use to three decimal places. f) In your 95% confidence interval, what is the point estimate for the population mean BMI of adolescent girls? Provide a numeric value. g) In your 95% confidence interval, what is the margin of error? Provide a numeric value. h) Interpret your 95% confidence interval for the population mean BMI of adolescent girls.

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