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For a data set of brain volumes (cm) and IQ scores of five males, the linear correlation coefficient is r=0.291. Use the tabl

Number of Pairs of Data n 4 5 6 CONCO Critical Value ofr 0.950 0.878 0.811 0.754 0.707 0.666 0.632 0.602 0.576 9 10 11 12

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Answer #1

The critical values are (-0.997,0.997) at 5% los and n- 2= 5-2 = 3df

Since the correlation coefficient is r less than critical value of r, there is not sufficient evidence to support the claim of a linear correlation

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