Teaching MPPSC Assistant Professor Mock Test Series 2025 Engineering Mathematics Linear Algebra

If y = a + bx , Σx = 50, Σy = 80, Σxy = 1030, Σx2 =750 and n = 10, then a and b, respectively, are:

1
1.7; 2.5
2
1.7; 1.26
3
2.8; 2.5
4
2.7; 3.5
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