Mathematics, 27.02.2021 20:10 ninaaforever

The data below show the Marks scored by eight IT students in two tests: Probability and Statistics(X) ,and Programming (Y). X 67 42 85 51 39 97 81 70 Y 70 59 71 38 55 62 80 75 Calculate product moment correlation coefficient (3 Marks) ii. The variance of the weekly sales

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