How do you determine whether there is a linear correlation between two variables \(x\) and \(y\) ? Use Table 14.10.

Table 14.10

Transcribed Image Text:

n a = 0.05 0.950 0.878 4 5 6 0.811 7 0.754 8 0.707 9 0.666 10 0.632 11 0.602 0.576 0.553 0.532 0.514 0.497 0.482 0.468 0.456 0.444 0.396 0.361 0.335 0.312 12 13 14 15 16 17 18 19 20 25 30 35 40 45 50 0.294 0.279 a = 0.01 0.999 0.959 0.917 0.875 0.834 0.798 0.765 0.735 0.708 0.684 0.661 0.641 0.623 0.606 0.590 0.575 0.561 0.505 0.463 0.430 0.402 0.378 0.361