Question

Class Mark Total no. of balut Day's f X fx x x - x) | (x-x)² f(x - 32 172-180 3 176 528 155 21 441 163-171 167 835 155 12 144 154-162 9 158 1422 155 5 25 Hole 145-153 12 149 1788 155 6 36 136-144 5 140 700 155 -15 225 Σf: - ΣfX = Ef(x-32=​

Answer 1

itna bada question koi bata nahi payega