Answer:
B."5, -3, -4, 1, -1, 6, -4"
Step-by-step explanation:
We are given that
13,5,4,9,7,14,4
We have to find the deviation.
Mean=
Using the formula


Deviation=

13 5
5 -3
4 - 4
9 1
7 -1
14 6
4 - 4
Hence, option B is correct.
Answer:
450
Step-by-step explanation:
639 is what percent of 142? = 450.
Answer: x=4. PS=QR=15
Step-by-step explanation:
Answer:
x=-2
Step-by-step explanation:
14+6x=2
Then u move 14 to the other side since it doesn't have a a variable and 2 doesnt also there both just numbers so 14 moved to the otehr side will be -14 so 6x=2-14
6x=-12
x=-12/6=-2