Heights for teenage boys and girls were calculated. The mean height for the sample of 12 boys was 174 cm and the variance were 62. For the sample of 12 girls, the mean was 166 cm and the variance were 65. Assuming equal variances and normal distributions in the population, What is the 95% confidence interval on the difference between population means? What is the 99% confidence interval on the difference between population means? Do you think it is very unlikely that the mean difference in the population is about 5? Why or why not?
Heights for teenage boys and girls were calculated. The mean height for the sample of 12 boys was 174 cm and the variance were 62. For the sample of 12 girls, the mean was 166 cm and the variance were 65. Assuming equal variances and normal distributions in the population, What is the 95% confidence interval on the difference between population means? What is the 99% confidence interval on the difference between population means? Do you think it is very unlikely that the mean difference in the population is about 5? Why or why not?
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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Heights for teenage boys and girls were calculated. The
- What is the 95% confidence interval on the difference between population means?
- What is the 99% confidence interval on the difference between population means?
- Do you think it is very unlikely that the mean difference in the population is about 5?
Why or why not?
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