Are mothers having their first child at an older age? The average age of a random sample of 36 mothers who had their first child before the year 2000 or before and the average age of a random sample of 39 mothers who had their first child after the year 2000 is summarized in the table below. 2000 or Before: x=23.393 , s=3.938 2000 or Before: x=25.121 , s=4.904 Are mothers after the year 2000 having their first child at an older age compared to the years 2000 and prior? Use a significance level of 0.10. hypothesis test is needed
Are mothers having their first child at an older age? The average age of a random sample of 36 mothers who had their first child before the year 2000 or before and the average age of a random sample of 39 mothers who had their first child after the year 2000 is summarized in the table below. 2000 or Before: x=23.393 , s=3.938 2000 or Before: x=25.121 , s=4.904 Are mothers after the year 2000 having their first child at an older age compared to the years 2000 and prior? Use a significance level of 0.10. hypothesis test is needed
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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Are mothers having their first child at an older age? The average age of a random sample of 36 mothers who had their first child before the year 2000 or before and the average age of a random sample of 39 mothers who had their first child after the year 2000 is summarized in the table below.
2000 or Before: x=23.393 , s=3.938
2000 or Before: x=25.121 , s=4.904
Are mothers after the year 2000 having their first child at an older age compared to the years 2000 and prior? Use a significance level of 0.10.
hypothesis test is needed
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