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The researchers are willing to consider these 47 women as an SRS from the population of all nursing mothers. Suppose that the percent change in this population has a Normal distribution with standard deviation o = 2.5%. Do these data give good evidence that, on the average, nursing mothers lose bone mineral? %3D

The researchers are willing to consider these 47 women as an SRS from the population of all nursing mothers. Suppose that the percent change in this population has a Normal distribution with standard deviation o = 2.5%. Do these data give good evidence that, on the average, nursing mothers lose bone mineral? %3D

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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17.39 Bone loss by nursing mothers. As discussed in Exercise 16.26 (page 390), breast-feeding mothers secrete calcium into their milk. Some of the calcium may come from 4step their bones, so mothers may lose bone mineral. Re- searchers measured the percent change in mineral con- tent of the spines of 47 mothers during three months of breast-feeding." Here are the data: M BONELS 11 -4.7 -2.5-4.9 -2.7 -0.8 -5.3 -8.3 -2.1 -6.8 -4.3 2.2--7.8-3.1 -1.0 -6.5 -1.8 -5.2 -5.7 -7.0 -2.2 | -6.5-1.0-3.0-3.6 -5.2 -2.0 -2.1 -5.6 -4.4 -3.3 | -4.0-4.9 -4.7 -3.8 -5.9 -2.5 -0.3-6.2 -6.8 1.7 0.3-2.3 0.4 -5.3 0.2 -2.2 -5.1 The researchers are willing to consider these 47 women as an SRS from the population of all nursing mothers. Suppose that the percent change in this population has a Normal distribution with standard deviation o = 2.5%. Do these data give good evidence that, on %3D the average, nursing mothers lose bone mineral? >>
Transcribed Image Text:17.39 Bone loss by nursing mothers. As discussed in Exercise 16.26 (page 390), breast-feeding mothers secrete calcium into their milk. Some of the calcium may come from 4step their bones, so mothers may lose bone mineral. Re- searchers measured the percent change in mineral con- tent of the spines of 47 mothers during three months of breast-feeding." Here are the data: M BONELS 11 -4.7 -2.5-4.9 -2.7 -0.8 -5.3 -8.3 -2.1 -6.8 -4.3 2.2--7.8-3.1 -1.0 -6.5 -1.8 -5.2 -5.7 -7.0 -2.2 | -6.5-1.0-3.0-3.6 -5.2 -2.0 -2.1 -5.6 -4.4 -3.3 | -4.0-4.9 -4.7 -3.8 -5.9 -2.5 -0.3-6.2 -6.8 1.7 0.3-2.3 0.4 -5.3 0.2 -2.2 -5.1 The researchers are willing to consider these 47 women as an SRS from the population of all nursing mothers. Suppose that the percent change in this population has a Normal distribution with standard deviation o = 2.5%. Do these data give good evidence that, on %3D the average, nursing mothers lose bone mineral? >>
Blend Images/Superstock nc SoftSeripte 0.7 16.26 Bone loss by moth change in of the of 47 mothers ers milk. of the calci (b) Give a 95% for the mean load s: The Basics ) Give a 95% confidence interval for the mean e at a recent required to pull the wood apart. r the mean 139 1.3 ers secrete calcium into their milk. Some of theoth- dos um may come from their bones, so mothers may 1 bone mineral. Researchers measured the change in mineral content of the spines of 47 mothere during three months of breast-feeding." Here are the interval, the 3 pounds. int: See the data: M BONELS dent to ex- weight de- -4.7-2.5 -4.9 -2.7 -0.8-5.3 -8.3 -2.1 -6.8 –4 3 nt answers, 2.2 -7.8 -3.1 -1.0 –6.5 –1.8 –5.2 –5.7 -7.0 -2.2 les of adult eal weight is -6.5-1.0-3.0 - 3.6 -5.2 -2.0 -2.1 -5.6 -4.4 -3.3 anation cor- -4.0 -4.9 -4.7 -3.8 -5.9-2.5 -0.3 -6.2 -6.8 1.7 Interpreting 0.3-2.3 0.4 -5.3 0.2 -2.2 -5.1 ation from (a) The researchers its opinion this expla- are willing to consider these 47 women to to sam- e points d at the be an SRS from the population of all nursing t, if the mothers. Sup- e results pose that the percent change in this population has standard deviation o = 2.5%. Make a stemplot of the data to verify that the data follow a Normal distribu- tion quite closely. (Don't forget that you need both a O and a -0 stem because there are both positive and negative values.) (b) Use a 99% confidence interval to estimate the rcentage ce Level" on no. ns from data. The exercise In your work, d in Example mean percent change in the population. 16.27 This wine stinks. Sulfur compounds cause "offodof
Transcribed Image Text:Blend Images/Superstock nc SoftSeripte 0.7 16.26 Bone loss by moth change in of the of 47 mothers ers milk. of the calci (b) Give a 95% for the mean load s: The Basics ) Give a 95% confidence interval for the mean e at a recent required to pull the wood apart. r the mean 139 1.3 ers secrete calcium into their milk. Some of theoth- dos um may come from their bones, so mothers may 1 bone mineral. Researchers measured the change in mineral content of the spines of 47 mothere during three months of breast-feeding." Here are the interval, the 3 pounds. int: See the data: M BONELS dent to ex- weight de- -4.7-2.5 -4.9 -2.7 -0.8-5.3 -8.3 -2.1 -6.8 –4 3 nt answers, 2.2 -7.8 -3.1 -1.0 –6.5 –1.8 –5.2 –5.7 -7.0 -2.2 les of adult eal weight is -6.5-1.0-3.0 - 3.6 -5.2 -2.0 -2.1 -5.6 -4.4 -3.3 anation cor- -4.0 -4.9 -4.7 -3.8 -5.9-2.5 -0.3 -6.2 -6.8 1.7 Interpreting 0.3-2.3 0.4 -5.3 0.2 -2.2 -5.1 ation from (a) The researchers its opinion this expla- are willing to consider these 47 women to to sam- e points d at the be an SRS from the population of all nursing t, if the mothers. Sup- e results pose that the percent change in this population has standard deviation o = 2.5%. Make a stemplot of the data to verify that the data follow a Normal distribu- tion quite closely. (Don't forget that you need both a O and a -0 stem because there are both positive and negative values.) (b) Use a 99% confidence interval to estimate the rcentage ce Level" on no. ns from data. The exercise In your work, d in Example mean percent change in the population. 16.27 This wine stinks. Sulfur compounds cause "offodof
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