dora calculated the mean absolute deviation for the data set 35, 16, 23, 42, and 19. her work is shown below.

step 1: find the mean. mean: 35+16+23+42+19 divided by 5 = 27

step 2: find each absolute deviation. 8, 11, 4, 15, 8

step 3: find the mean absolute deviation. mad: 8+11+4+15+8 divided by 5 =9.5

what is dora’s error?

a. dora should have divided by 4 when finding the mean.

b. dora found the absolute deviation of 35 incorrectly.

c. dora used only four numbers in finding the mean.

d. dora used only four numbers in finding the mean absolute deviation.

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box

If abcde is reflected over the x-axis and then translated 3 units left, what are the new coordinates d? are he re

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem