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for all children in Jordan is less than 12 g/dl because of inadequate health condi- Oxygen from the 14.7 Anemia. Hemoglobin is a protein in red blood cells that lungs to body tissues. People with less than 12 grams of hemoglobin per decilires mean blood (g/dl) are anemic. A public health official in Jordan suspects that the me u for all children in Jordan is less than 12 g/dl because of inadequate health cond tions. The official measures hemoglobin levels in a sample of 50 children. Definesh norometer examined and state the appropriate null and alternative hypotheses.

for all children in Jordan is less than 12 g/dl because of inadequate health condi- Oxygen from the 14.7 Anemia. Hemoglobin is a protein in red blood cells that lungs to body tissues. People with less than 12 grams of hemoglobin per decilires mean blood (g/dl) are anemic. A public health official in Jordan suspects that the me u for all children in Jordan is less than 12 g/dl because of inadequate health cond tions. The official measures hemoglobin levels in a sample of 50 children. Definesh norometer examined and state the appropriate null and alternative hypotheses.

College Algebra
College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter5: Polynomial And Rational Functions
Section5.8: Modeling Using Variation
Problem 49SE: For the following exercises, use Kepler’s Law, which states that the square of the time, T, required...
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14.7 

dence how althoug 14.7 is a in red oxygen the follows: Họ: x= 1000 grams Hạ:ã< 1000 grams What's wrong with this formulation? ov6 no hsble 14.7 Anemia. Hemoglobin is a protein in red blood cells that carries oxygen from d lungs to body tissues. People with less than 12 grams of hemoglobin per deciliras blood (g/dl) are anemic. A public health official in Jordan suspects that the µ for all children in Jordan is less than 12 g/dl because of inadequate health cond tions. The official measures hemoglobin levels in a sample of 50 children. Defineih parameter examined and state the appropriate null and alternative hypotheses 14.8 Arsenic contamination. Arsenic is a compound that occurs naturally in very low concentrations. Arsenic blood concentrations in healthy individuals are Normally distributed, with mean u = 3.2 micrograms per deciliter (µg/dl) and stan- dard deviationo = 1.5 µg/dl.4 Some areas are known to have naturally elevated concentrations of arsenic in the ground and water supplies. We take a random sam- ple of adults residing in a high-arsenic area and ask whether the data provide good evidence that the mean blood arsenic concentration in this population is elevated compared with the 3.2 mg/dl mean of the population of healthy individuals. Define the parameter examined and state the appropriate null and alternative hypotheses. %3D m ynsqmos Inoin P-VALUE AND STATISTICAL SIGNIFICANCE The idea of making a claim (Ho) so as to evaluate evidence against it might seem odd at first. The approach is not unique to hypothesis tests, though. Think of criminal trial: The defendant is "innocent until proven guilty." That is, the nut hypothesis is innocence, and the prosecution must try to provide convincing ev dence against this hypothesis. That's exactly how statistical tests work, althouge in statistics we deal with evidence provided by data and use a probability to sa how strong the evidence is.
Transcribed Image Text:dence how althoug 14.7 is a in red oxygen the follows: Họ: x= 1000 grams Hạ:ã< 1000 grams What's wrong with this formulation? ov6 no hsble 14.7 Anemia. Hemoglobin is a protein in red blood cells that carries oxygen from d lungs to body tissues. People with less than 12 grams of hemoglobin per deciliras blood (g/dl) are anemic. A public health official in Jordan suspects that the µ for all children in Jordan is less than 12 g/dl because of inadequate health cond tions. The official measures hemoglobin levels in a sample of 50 children. Defineih parameter examined and state the appropriate null and alternative hypotheses 14.8 Arsenic contamination. Arsenic is a compound that occurs naturally in very low concentrations. Arsenic blood concentrations in healthy individuals are Normally distributed, with mean u = 3.2 micrograms per deciliter (µg/dl) and stan- dard deviationo = 1.5 µg/dl.4 Some areas are known to have naturally elevated concentrations of arsenic in the ground and water supplies. We take a random sam- ple of adults residing in a high-arsenic area and ask whether the data provide good evidence that the mean blood arsenic concentration in this population is elevated compared with the 3.2 mg/dl mean of the population of healthy individuals. Define the parameter examined and state the appropriate null and alternative hypotheses. %3D m ynsqmos Inoin P-VALUE AND STATISTICAL SIGNIFICANCE The idea of making a claim (Ho) so as to evaluate evidence against it might seem odd at first. The approach is not unique to hypothesis tests, though. Think of criminal trial: The defendant is "innocent until proven guilty." That is, the nut hypothesis is innocence, and the prosecution must try to provide convincing ev dence against this hypothesis. That's exactly how statistical tests work, althouge in statistics we deal with evidence provided by data and use a probability to sa how strong the evidence is.
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