Question
For a data set of brain volumes (cm3) and IQ scores of five males, the linear correlation coefficient is r=0.898. Use the table available below
For a data set of brain volumes
(cm3)
and IQ scores of
five
males, the linear correlation coefficient is
r=0.898.
Use the table available below to find the critical values of r. Based on a comparison of the linear correlation coefficient r and the critical values, what do you conclude about a linear correlation?
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Part 1
The critical values are
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(Type integers or decimals. Do not round. Use a comma to separate answers as needed.)
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Table of critical values of r
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Number of Pairs of Data n | Critical Value of r | |
---|---|---|
4 | 0.950 | |
5 | 0.878 | |
6 | 0.811 | |
7 | 0.754 | |
8 | 0.707 | |
9 | 0.666 | |
10 | 0.632 | |
11 | 0.602 | |
12 | 0.576 |
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