Use this sample data to construct the 90% confidence interval estimate for the mean number of targeted industrial chemicals to be found in an infant's blood.

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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The Human Toxome Project (HTP) is working to understand the scope of industrial pollution in the human body. Industrial
chemicals may enter the body through pollution or as ingredients in consumer products. In October 2008, the scientists at
HTP tested cord blood samples for 20 newborn infants in the United States. The cord blood of the "In utero/newborn"
group was tested for 430 industrial compounds, pollutants, and other chemicals, including chemicals linked to brain and
nervous system toxicity, immune system toxicity, reproductive toxicity, and fertility problems. There are health concerns
about the effects of some chemicals on the brain and nervous system. The table below shows how many of the targeted
chemicals were found in each infant's cord blood.
145
159
151
156
126
79
137
147
160
116
100
...
83
156
94
121
144
123
114
139
99
Use this sample data to construct the 90% confidence interval estimate for the mean number of targeted industrial
chemicals to be found in an infant's blood.
Transcribed Image Text:The Human Toxome Project (HTP) is working to understand the scope of industrial pollution in the human body. Industrial chemicals may enter the body through pollution or as ingredients in consumer products. In October 2008, the scientists at HTP tested cord blood samples for 20 newborn infants in the United States. The cord blood of the "In utero/newborn" group was tested for 430 industrial compounds, pollutants, and other chemicals, including chemicals linked to brain and nervous system toxicity, immune system toxicity, reproductive toxicity, and fertility problems. There are health concerns about the effects of some chemicals on the brain and nervous system. The table below shows how many of the targeted chemicals were found in each infant's cord blood. 145 159 151 156 126 79 137 147 160 116 100 ... 83 156 94 121 144 123 114 139 99 Use this sample data to construct the 90% confidence interval estimate for the mean number of targeted industrial chemicals to be found in an infant's blood.
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