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ConceptStatistics - Karl Pearson’s Coefficient of Correlation

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#### Questions

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.