Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9...
Calculate the variance of 2, 3, 3, 4, 5, 5, 5, 7, 7 and 9
2.2
3.4
4.0
4.2
Correct answer is D
x = 2+3+3+4+5+5+5+7+7+910
=5010
= 5
Variance = ∑(x−x)2N
9+4+4+1+4+4+1610
= 4210
= 4.2
List all integer values of x satisfying the inequality -1 < 2x - 5 ≤ 5...
Find the equation of a line parallel to y = -4x + 2 passing through (2,3) ...
Express 1x+1 - 1x−2 as a single algebraic fraction...
Find the median of 5,9,1,10,3,8,9,2,4,5,5,5,7,3 and 6 ...
What is the equation of the quadratic function represented by the graph? ...