Answer:
Standard deviation = 4
Step-by-step explanation:
Given the following data;
Mean = 25
Variance = 16
To find the standard deviation;
Mathematically, standard deviation is given by the formula;

Substituting into the formula, we have;

Standard deviation = 4
Answer:
9
Step-by-step explanation:
f(x) = (x+1) ^2
f(2) = (2+1)^2
f(2) = 3^2 = 9
Answer:
x = 7
Step-by-step explanation:
-3 x 7 = -21
-21 + 2 = -19
Answer:
n+3n=$850 n is one person and 3n is the other represented by n
Step-by-step explanation:
7.186<7.36<7211<14320.........