Matching Descriptions to Scatter Plots
Table 1 and the scatter plot in figure 1 show marriage and divorce rates (per 1,000 population per year) for 14 countries. The correlation coefficient for these data is r = 0.597, and the equation of the least-squares regression line is y = −0.7 + 0.5x.
KeywordsUnited States Stochastic Process Rate Data Regression Line Scatter Plot
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- 1.Frank Anscombe (1973), “Graphs in statistical analysis,” American Statistician, 27: 17–21. (This is the source of the data sets in the Extension.)Google Scholar
- 2.The marriage rate and divorce rate data come from James M. Landwehr and Ann E. Watkins (1995), Exploring Data, revised ed. Palo Alto, CA: Dale Seymour Publications. Their sources were the United Nations publications Demographic Yearbook 1990 and Monthly Bulletin of Statistics, June 1991.Google Scholar