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B7. An estate agent wants to test whether mean house prices are the same regardless of which of 3 air-pollution levels typically prevails in the area. A random sample of house purchases in 3 areas yields the price data below: House purchase prices (in thousands of pounds) Pollution level Low Moderate High 120 61 40 68 59 55 40 110 73 95 75 45 83 80 64 Construct an ANOVA table to test, at the 2.5% level of significance, whether mean housing prices differ by level of pollution.

B7. An estate agent wants to test whether mean house prices are the same regardless of which of 3 air-pollution levels typically prevails in the area. A random sample of house purchases in 3 areas yields the price data below: House purchase prices (in thousands of pounds) Pollution level Low Moderate High 120 61 40 68 59 55 40 110 73 95 75 45 83 80 64 Construct an ANOVA table to test, at the 2.5% level of significance, whether mean housing prices differ by level of pollution.

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
Section10.3: Measures Of Spread
Problem 1GP
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B7. An estate agent wants to test whether mean house prices are the same regardless of which of 3 air-pollution levels typically prevails in the area. A random sample of house purchases in 3 areas yields the price data below: House purchase prices (in thousands of pounds) Pollution level Low Moderate High 120 61 40 68 59 55 40 110 73 95 75 45 83 80 64 Construct an ANOVA table to test, at the 2.5% level of significance, whether mean housing prices differ by level of pollution. Hint: You may need to use one of these percentiles, F2,12(2.5%) = 5.096, F12,2(2.5%) = 39.415, F3,12(2.5%) = 4.474, F12,3(2.5%) = 14.337. %3D
Transcribed Image Text:B7. An estate agent wants to test whether mean house prices are the same regardless of which of 3 air-pollution levels typically prevails in the area. A random sample of house purchases in 3 areas yields the price data below: House purchase prices (in thousands of pounds) Pollution level Low Moderate High 120 61 40 68 59 55 40 110 73 95 75 45 83 80 64 Construct an ANOVA table to test, at the 2.5% level of significance, whether mean housing prices differ by level of pollution. Hint: You may need to use one of these percentiles, F2,12(2.5%) = 5.096, F12,2(2.5%) = 39.415, F3,12(2.5%) = 4.474, F12,3(2.5%) = 14.337. %3D
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