Both parts use the same picture.

Part A

Which measure of center would you use to compare the populations represented by the box plots?

A. median
B. mean
C. mean absolution deviation (MAD)
D. interquartile range (IQR)

Part B

Which measure of variability would you use to compare the populations represented by the box plots?

A. median
B. mean
C. mean absolution deviation (MAD)
D. interquartile range (IQR)

Answer this question only if you know the answer! 30 points and

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

Statement reason 1. δabc is similar to δced. given 2. 3. definition of slope 4. slope of slope of definition of slope 5. slope of × slope of multiplying the slopes 6. slope of × slope of substitution property of equality 7. slope of × slope of simplifying the right side the table contains the proof of the relationship between the slopes of two perpendicular lines. what is the reason for statement 2? a. parallel line segments that meet a common perpendicular line are proportional in length. b. the lengths of vertical and horizontal sides in congruent triangles are in a common ratio. c. trigonometric identities determine the lengths of the legs in a right triangle. d. corresponding side lengths in similar triangles are proportional in length.