Someone i need ! its been 10 hours no answer me! can you solve this ?

julia measured the high temperature in her town for one week. using the chart below, find the mean absolute deviation for the high temperatures. be sure to show your work for finding: the mean of the set data, the distance of each number from the mean, and the absolute deviation

this is the chart : sunday 50, monday 56, tuesday 52, wednesday 46, thursday 48 , friday 42, and saturday 38

answer:   b

step-by-step explanation:

x2 = 16

x can not be a negative number because 16 is positive

the only answer would be positive 8  

correct choice is b

step-by-step explanation:

when you calculate the average rate of change of a function, you are finding the slope of the secant line between the two points. for the function the average rate of change from point to point can be calculated as

to find the average rate of change from day 2 to day 10, note that at day 2, 8 houses were sold, so a(2,8) and at day 10, 2 houses were sold, so b(10,2). thus,