What is the mean absolute deviation of the following 8,9,9,,10,10,10,11,11,12,12,-2,13,1 3,13,13,14,14,16,17,17,18,18,18,18, 20

-2

Step-by-step explanation:

the answer is the option b

the range is all real numbers

step-by-step explanation:

we know that

the absolute value parent function is equal to

see the attached figure to better understand the problem

so

a. it is v-shaped > is true

b. the range is all real numbers > is not true

because the range is the > [0,∞)

all real numbers greater than or equal to zero

c. it goes through the origin > is true

d. the domain is all real numbers > is true

step-by-step explanation: