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#### shaalaa.com | Correlation Formula Derivation, Karl Pearson's Coefficient Part 1

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(if you have any topic related video then share link with us)#### Related Questions VIEW ALL [3]

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.

Find Karl Pearson’s coefficient of correlation between the variables X and Y for the following data

X | 11 | 7 | 9 | 5 | 8 | 6 | 10 |

Y | 10 | 8 | 6 | 5 | 9 | 7 | 11 |