The population data in Table 1 shows the total number of children born and the number of Down syndrome children born to

[answerhappygod]

The population data in Table 1 shows the total number of
children born and the number of Down syndrome children born to
mothers who have been classified into single year intervals of
their age at the time of birth. The data are from residents of
British Columbia, Canada and were collected for the years 1961 to
1970. (Note: This was before prenatal diagnosis was available.)

The Population Data In Table 1 Shows The Total Number Of Children Born And The Number Of Down Syndrome Children Born To 1 (91.48 KiB) Viewed 84 times

Q8. It is sometimes forgotten that many Down syndrome children
are born to younger mothers. What percentage of Down syndrome
children in the British Columbia study were born to mothers younger
than 37 years? Give a whole-number, no decimal places.
Table 1: DOWN SYNDROME BY SINGLE-YEAR INTERVAL Down syndrome live births, and estimated total live births, for British Columbia residents, 1961-1970 Maternal age in years Sum total of live births Sum total of cases 46 327 249 Total 354,880 519 a5 mothers of age 46 years, 2 mothers of age 47 years with Down syndrome live births.