Find the variance and covariance, Engineering Mathematics

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The following are 8 data points that shows the relationship between the number of fishermen and the amount of fish they can catch a day. (Let the number of fishermen be X and the amount of fish be Y)

Number of fishermen	Fish caught
18	39
14	9
9	9
10	7
5	8
22	35
14	36
12	22

Find the variance of X, variance of Y,covarience of X with Y and correlation coefficient.

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