Heights for teenage boys and girls were calculated. The mean height for the sample of 73 boys was 167 cm and the variance was 71. For the sample of 47 girls, the mean was 180 cm and the variance was 66. There is no reason to assume the variances would be equal. Estimate how much taller teenage boys are using a 96% confidence level. Express this in the (point estimate) ± (margin of error) format. Round answers to 2 decimal places.
Heights for teenage boys and girls were calculated. The mean height for the sample of 73 boys was 167 cm and the variance was 71. For the sample of 47 girls, the mean was 180 cm and the variance was 66. There is no reason to assume the variances would be equal. Estimate how much taller teenage boys are using a 96% confidence level. Express this in the (point estimate) ± (margin of error) format. Round answers to 2 decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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