Which of the following values of correlation coefficient indicates the strongest correlation?

-0.86

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0.83

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0.34

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Solution

The correct option is A -0.86
The value of the correlation coefficient lies between -1 and 1. Values closer to 1, irrespective of sign, indicate a stronger relationship, while the sign indicates the direction. From the given numbers, 0.86 is the closest number to 1 and hence has the strongest correlation.

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Similar questions

Which of the following cannot be the value of a correlation coefficient?

Calculate the coefficient of correlation of the following data by Spearman's rank correlation method:

$\begin{matrix} X & 19 & 24 & 12 & 23 & 19 & 16 Y & 9 & 22 & 20 & 14 & 22 & 18 \end{matrix}$

X	2	4	5	6	8	11
Y	18	12	10	8	7	5

Of the following three measures which can measure any type of relationship?

(a) Karl Pearson's coefficient of correlation

(b)Spearman's rank correlation

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