16. Baby weights: Following are weights in pounds for random samples of 25 newborn baby boys and baby girls born in Denver in 2011. Boxplots indicate that the samples come from populations that are approximately normal. Boys 6.6 5.9 6.4 7.6 6.4 8.1 7.9 8.3 7.3 6.4 8.4 8.5 6.9 6.3 7.4 7.8 7.5 6.9 7.8 8.6 7.7 7.4 7.7 8.1 6.4 Girls 7.7 7.0 8.2 7.4 6.0 6.7 8.2 7.5 5.7 6.6 6.4 8.5 7.2 6.9 8.2 6.5 6.7 7.2 6.3 5.9 8.1 8.2 6.7 6.2 7.7 Can you conclude that the mean weights differ between boys and girls? Use the α = 0.05 level of significance.
16. Baby weights: Following are weights in pounds for random samples of 25 newborn baby boys and baby girls born in Denver in 2011. Boxplots indicate that the samples come from populations that are approximately normal. Boys 6.6 5.9 6.4 7.6 6.4 8.1 7.9 8.3 7.3 6.4 8.4 8.5 6.9 6.3 7.4 7.8 7.5 6.9 7.8 8.6 7.7 7.4 7.7 8.1 6.4 Girls 7.7 7.0 8.2 7.4 6.0 6.7 8.2 7.5 5.7 6.6 6.4 8.5 7.2 6.9 8.2 6.5 6.7 7.2 6.3 5.9 8.1 8.2 6.7 6.2 7.7 Can you conclude that the mean weights differ between boys and girls? Use the α = 0.05 level of significance.
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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16. Baby weights: Following are weights in pounds for random samples of 25 newborn baby boys and baby girls born in Denver in 2011. Boxplots indicate that the samples come from populations that are approximately normal.
|
Boys |
||||||||
|---|---|---|---|---|---|---|---|---|
|
6.6 |
5.9 |
6.4 |
7.6 |
6.4 |
8.1 |
7.9 |
8.3 |
7.3 |
|
6.4 |
8.4 |
8.5 |
6.9 |
6.3 |
7.4 |
7.8 |
7.5 |
6.9 |
|
7.8 |
8.6 |
7.7 |
7.4 |
7.7 |
8.1 |
6.4 |
|
Girls |
||||||||
|---|---|---|---|---|---|---|---|---|
|
7.7 |
7.0 |
8.2 |
7.4 |
6.0 |
6.7 |
8.2 |
7.5 |
5.7 |
|
6.6 |
6.4 |
8.5 |
7.2 |
6.9 |
8.2 |
6.5 |
6.7 |
7.2 |
|
6.3 |
5.9 |
8.1 |
8.2 |
6.7 |
6.2 |
7.7 |
Can you conclude that the mean weights differ between boys and girls? Use the α = 0.05 level of significance.
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