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6. A major car manufacturer wants to test a new engine to determine whether it meets new air pollution standards. The mean emission, I of all engines of this type must be approximately 20 parts per million of carbon. If it is higher than that, the manufacturer will have to redesign parts of the engine. Ten engines are manufactured for testing purposes, and the emission level of each is determined. Based on data collected over the years from a variety of engines, it seems reasonable to assume that emission levels are roughly Normally distributed with o = 3 parts per million of carbon. The data result in an average of 22 parts per million. What is the value of the test statistic?

6. A major car manufacturer wants to test a new engine to determine whether it meets new air pollution standards. The mean emission, I of all engines of this type must be approximately 20 parts per million of carbon. If it is higher than that, the manufacturer will have to redesign parts of the engine. Ten engines are manufactured for testing purposes, and the emission level of each is determined. Based on data collected over the years from a variety of engines, it seems reasonable to assume that emission levels are roughly Normally distributed with o = 3 parts per million of carbon. The data result in an average of 22 parts per million. What is the value of the test statistic?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
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6. A major car manufacturer wants to test a new engine to determine whether it meets new air pollution standards. The mean emission, u of all engines of this type must be approximately 20 parts per million of carbon. If it is higher than that, the manufacturer will have to redesign parts of the engine. Ten engines are manufactured for testing purposes, and the emission level of each is determined. Based on data collected over the years from a variety of engines, it seems reasonable to assume that emission levels are roughly Normally distributed with o = 3 parts per 3D3 %3D million of carbon. The data result in an average of 22 parts per million. What is the value of the test statistic?
Transcribed Image Text:6. A major car manufacturer wants to test a new engine to determine whether it meets new air pollution standards. The mean emission, u of all engines of this type must be approximately 20 parts per million of carbon. If it is higher than that, the manufacturer will have to redesign parts of the engine. Ten engines are manufactured for testing purposes, and the emission level of each is determined. Based on data collected over the years from a variety of engines, it seems reasonable to assume that emission levels are roughly Normally distributed with o = 3 parts per 3D3 %3D million of carbon. The data result in an average of 22 parts per million. What is the value of the test statistic?
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