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A researcher wants to examine the relationship between social class and number of books read in a year. The first hundred people are interviewed as they enter a public library in the researcher’s home town. On the basis of the answers given, the sample is categorized in terms of a fourfold classification of social class: upper middle class/lower middle class/ upper working class/ lower working class. Using Pearson’s r, the level of correlation is found to be 0.73 which is significant at p < 0.001. The researcher concludes that the findings have considerable validity, especially since 73 p

A researcher wants to examine the relationship between social class and number of books read in a year. The first hundred people are interviewed as they enter a public library in the researcher’s home town. On the basis of the answers given, the sample is categorized in terms of a fourfold classification of social class: upper middle class/lower middle class/ upper working class/ lower working class. Using Pearson’s r, the level of correlation is found to be 0.73 which is significant at p < 0.001. The researcher concludes that the findings have considerable validity, especially since 73 p

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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A researcher wants to examine the relationship between social class and number of books read in a year. The first hundred people are interviewed as they enter a public library in the researcher’s home town. On the basis of the answers given, the sample is categorized in terms of a fourfold classification of social class: upper middle class/lower middle class/ upper working class/ lower working class. Using Pearson’s r, the level of correlation is found to be 0.73 which is significant at p < 0.001. The researcher concludes that the findings have considerable validity, especially since 73 per cent of the variance in number of books read is explained by social class. Assess the researcher’s analysis and conclusions.
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