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Seven students got the following percentage of marks in Chemistry and Physics: Student 1 2 3 4 5 6 7 Marks in 78 36 98 25 75
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Answer #1

x:- marks in chemistry

y:- marks in physics

x y x^2 y^2 xy
78 84 6084 7056 6552
36 51 1296 2601 1836
98 91 9604 8281 8918
25 60 625 3600 1500
75 68 5625 4624 5100
82 62 6724 3844 5084
90 86 8100 7396 7740
484 502 38058 37402 36730

E-4545 -502E31-367300 Ex2 -3865.EY2-37402 7 ६५) (Ex- ME - नारी n (EN) - (ELE) - 7136730 - 4847502 257/10 - 242968 14142 14142

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