exam Maths Puzzle Numerical Ability

You scored 88.7, 91.2, and 94.6 on your last three test scores. Find the standard deviation of your test scores.
A. 0.95
B.1.22
C.2.42
D.4.35

Read Solution (Total 0)

exam Other Question

find sin(tan^-1(2/3) and find given that sin a=-8/17, and a is in QIV, find sin(a/2) and cos(a/2), thanks I need help in this area a=angle. Consider the function f(x) = x^2 + 4x +1

Find h, the x-coordinate of the vertex of this parabola.