Heights for teenage boys and girls were calculated. The mean height for the sample of 47 boys was 185 cm and the variance was 58. For the sample of 66 girls, the mean was 174 cm and the variance was 69. There is no reason to assume the variances would be equal. Estimate how much taller teenage boys are using a 87% confidence level. Express this in the (point estimate) ± (margin of error) format. Round answers to 2 decimal places. 185 x + 1.67 X
Heights for teenage boys and girls were calculated. The mean height for the sample of 47 boys was 185 cm and the variance was 58. For the sample of 66 girls, the mean was 174 cm and the variance was 69. There is no reason to assume the variances would be equal. Estimate how much taller teenage boys are using a 87% confidence level. Express this in the (point estimate) ± (margin of error) format. Round answers to 2 decimal places. 185 x + 1.67 X
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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![Heights for teenage boys and girls were calculated. The mean height for the sample of 47 boys was 185 cm
and the variance was 58. For the sample of 66 girls, the mean was 174 cm and the variance was 69. There
is no reason to assume the variances would be equal.
Estimate how much taller teenage boys are using a 87% confidence level.
Express this in the (point estimate) ± (margin of error) format.
Round answers to 2 decimal places.
185 x ± 1.67 X](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd2995aa7-eb9d-45f3-8f01-89ee9ae70a2c%2Fb063848e-6ac4-4076-ba77-3a4c3bacc2f6%2Ftnja7qr_processed.png&w=3840&q=75)
Transcribed Image Text:Heights for teenage boys and girls were calculated. The mean height for the sample of 47 boys was 185 cm
and the variance was 58. For the sample of 66 girls, the mean was 174 cm and the variance was 69. There
is no reason to assume the variances would be equal.
Estimate how much taller teenage boys are using a 87% confidence level.
Express this in the (point estimate) ± (margin of error) format.
Round answers to 2 decimal places.
185 x ± 1.67 X
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