+1.0 +.8------ +.6 -.8 -.6 -.4 -.2 +.2 +.4 +.6 +.8 § +.4 9í U o o o c g o O c o Q-O CL +.2 0 - -2 - Q. -.4 - -.6 -.8 -1.0 -1.0 0 +.4 +.6 +.8 +1.0 r (Sample Correlation Coefficient) FIGURE 14.6 .95 confidence intervals around r for p for n = 3, 4.....400. Enter r on base axis and read p's where r- and «values intersect. For example, the .95 confidence interval for p if r = +.6 and n = 50 is .4 to .76. (Reprinted with E. S. Pearson and H. O. Hartley, eds., Biometrika Tables for Statisticians, 2nd ed. [Cambridge: Cambridge University Press, 1962], by permission of the Biometrika Trustees and Cambridge University Press.)