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f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean lot all Grade 9 students. = 15.2 years and the population variance is 15. a. What is the point estimate for u? b. Find the 95% confidence interval for u. c. Find the 99% confidence interval for u. d. What conclusions can you make based on each estimate?

f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean lot all Grade 9 students. = 15.2 years and the population variance is 15. a. What is the point estimate for u? b. Find the 95% confidence interval for u. c. Find the 99% confidence interval for u. d. What conclusions can you make based on each estimate?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean lof all Grade 9 students. i = 15.2 years and the population variance is 15. a. What is the point estimate for u? b. Find the 95% confidence interval for u. c. Find the 99% confidence interval for u. d. What conclusions can you make based on each estimate?
Transcribed Image Text:f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean lof all Grade 9 students. i = 15.2 years and the population variance is 15. a. What is the point estimate for u? b. Find the 95% confidence interval for u. c. Find the 99% confidence interval for u. d. What conclusions can you make based on each estimate?
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