18. The following table shows the age distribution of live births in Albany County, New York State for 2000. Mother's Age Number of Live Births 10-14 7 15-19 258 20-24 585 25-29 841 30-34 981 35-39 526 40-44 99 45-19* 4 SOURCE: New York State Department of Health, Annual Vital Statistics 2000, Table 7, Live Births by Resident County and Mother's Age. *May include live birtha to mothers over age 19. For these data construct a cumulative frequency distribution, a relative frequency distri- bution, and a cumulative relative frequency distribution.