Two kinds of emission controls were installed and tested in 30 cars of the same make. The
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Two kinds of emission controls were installed and tested in 30 cars of the same make. The following table shows the test results, in the unit of emission. Can you argue that the two kinds of emission controls have a different effect? Do a 10 percent test. Assume that the data do not come from a normal distribution.
Transcribed Image Text:
Emission control A 17 15 16 17 22 23 10 21 22 10 5211 26 18 19 18 19 11 Emission control B 17 20 22 25 14 16 11 NE 27 12
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Related Book For
Statistics For Business And Financial Economics
ISBN: 9781461458975
3rd Edition
Authors: Cheng Few Lee , John C Lee , Alice C Lee
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