MAT 133: Ch. 2 Review WS p.4 4. The following frequency polygon shows the ages of a random sample of U.S. mothers who gave birth in 2019. (Source: www.cc.gov) a) Construct the frequency distribution (with classes) from this graph. (Hint: Remember that a frequency polygon has "fake" classes at the beginning and end) Ages of Mothers for U.S. Births in 2019 2000 1633 1523 1500 1000 Frequency 500 176 127 0 0 5 15 25 35 45 55 What the shape of this de Age of Mother What the lo Classes Midpoints Frequency of WhatI 15 1 76 20 ( 15 + 25 = ) 25 35 45 b) How many women were in the sample? c) What age group is a mother most likely to be in? d) What percentage of women who gave birth are over 40