The following dot plot represents a random sample of elementary students and the number of children that live in their home.
Number of Children in Home
1 2 3 4 x 5 6 x 7. Part 1: what is the range of the data set? Part 2: what is the interquartile range of the data Please help fast!!set? Part 3: what is the mean absolute of the data set? (Round both the mean and the mean absolute deviation to the nearest 10)

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality