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ConceptStatistics - Karl Pearson’s Coefficient of Correlation

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#### Question

In the following data, one of the values of Y is missing. Arithmetic means of X and Y series are 6 and 8

X | 6 | 2 | 10 | 4 | 8 |

Y | 9 | 11 | ? | 8 | 7 |

(a) Estimate the missing observation.

(b) Calculate correlation coefficient.

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