The standard deviation is 2.2
Step-by-step explanation:
1/4 + 1/2 + x = -3/4
1/4 + 2/4 + x = -3/4
3/4 + x = -3/4
-3/4. -3/4
x = - 1 1/2
Answer:
PB = 15
Step-by-step explanation:
A midpoint is a point in the center of a line. Since P is the midpoint of AB, the length of AP = PB. Therefore, if AP = 15, PB = 15.
Please see figure for answers
Answer: The third and fourth problem are linear
Step-by-step explanation:
3rd problem follows a pattern
X 6 5 4 3
Y 21 15 10 6
6x3+3=21
5x3=15
4x2+2=10
3x2=6
Problem 4 follows a pattern as well
X value goes up 1, Y value goes up 4
