Need help ASAP
Which formula is used to calculate the standard deviation of sample data?
2
2
2.
x - x
+
X2
Х
+ ... +
X₂-X
S=
n-1
(x1 – 4)2+(x2-x) 2+...+(xw=*) ?
2
N
(x1 - x)+(x2-x) +...+(xx-x)?
JE
Sko-) (872. (
1-7).
+
+ X2-X
X
SE
n-1

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.