The state Department of Education has rated a sample of local school systems for compliance with state-mandated guidelines for quality. Is the quality of a school system significantly related to the affluence of the community as measured by per capita income? Per Capita Income Quality Low High Totals Low 16 8 24 High 9 17 26 Totals 25 25 50 a. Is there a statistically significant relationship between these variables? b. Compute column percents for the table to determine the pattern of the relationship. Are high- or low-income communities more likely to have high-quality school?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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ISBN:9780079039897
Author:Carter
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Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
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The state Department of Education has rated a sample of local school systems for compliance with state-mandated guidelines for quality. Is the quality of a school system significantly related to the affluence of the community as measured by per capita income?
Per Capita Income
Quality Low High Totals Low 16 8 24 High 9 17 26 Totals 25 25 50
a. Is there a statistically significant relationship between these variables? b. Compute column percents for the table to determine the pattern of the relationship. Are high- or low-income communities more likely to have high-quality school?

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