Scientists investigated how tobacco smoking by mothers affected infant birthweight. They compared their results with the birthweights of babies born to mothers who did not smoke. The findings are displayed in the bar chart. Which statement describes what this bar chart shows?
- A$15\%$ of infants born to mothers who smoke have a low birthweight.
- BMothers who smoke have $5\%$ more low birthweight infants than non-smoking mothers.
- CNon-smoking mothers have $10\%$ fewer low birthweight infants than smoking mothers.
- DTobacco smoking is the only factor that has an effect on birthweight.