# math

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a data set of size 19 has correlation coefficient of r= 0.432. Test the significance of r at the 5% level and at the 1% level

• math -

Use the appropriate degrees of freedom for a Pearson r. Check a Pearson r table for values at the .05 and .01 levels. Compare the test statistic given in the problem to the values you find in the table. Draw your conclusions from there.

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