If x = 3, 1, 7, 4 then Σ(x - 1), will be _____?
If x = 3, 1, 7, 4 then Σ(x - 1), will be _____?
Explanation
To find Σ(x - 1), first calculate (x - 1) for each value:
(3 - 1) + (1 - 1) + (7 - 1) + (4 - 1)
= 2 + 0 + 6 + 3
= 11
To find Σ(x - 1), first calculate (x - 1) for each value:
(3 - 1) + (1 - 1) + (7 - 1) + (4 - 1)
= 2 + 0 + 6 + 3
= 11