The following data on x = score on a measure of test
anxiety and y = exam score for a sample of n = 9
students are consistent with summary quantities given in a paper.
Higher values for x indicate higher levels of anxiety.
Compute the value of the correlation coefficient. (Give the answer
to four decimal places.)
r =
x | 23 | 14 | 14 | 0 | 16 | 19 | 19 | 15 | 20 |
y | 43 | 60 | 49 | 78 | 50 | 51 | 45 | 51 | 52 |
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