Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use Table 12.9 for
Question:
Assume that a sample of bivariate data yields the correlation coefficient, r, indicated. Use Table 12.9 for the specified sample size and level of significance to determine whether a linear correlation exists.
Table 12.9:
r = -0.51 when n = 13 at a = 0.05.
Transcribed Image Text:
a = 0.05 a = 0.01 п 4 0.950 0.990 0.878 0.959 6. 0.811 0.917 0.754 0.875 0.707 0.834 0.666 0.798 10 0.632 0.765 0.602 11 0.735 12 0.576 0.708 13 0.553 0.684 0.661 14 0.532 15 0.514 0.641 0.497 16 0.623 17 0.482 0.606 18 0.468 0.590 19 0.456 0.575 20 0.444 0.561 0.423 22 0.537 0.381 27 0.487 0.349 32 0.449 0.325 37 0.418 0.393 42 0.304 47 0.288 0.372 0.273 52 0.354 62 0.250 0.325 72 0.232 0.302 82 0.217 0.283 92 0.205 0.267 102 0.195 0.254
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Related Book For
A Survey of Mathematics with Applications
ISBN: 978-0134112107
10th edition
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
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