1. Is low birth weight associated with mother's ethnicity, after accounting for gestational age, mother's age and smoking status during pregnancy?

a)Construct contingency tables for each categorical explanatory variable and the outcome variable

b)State your null and alternative hypotheses.

c)Perform a logistic regression between mother's smoking status and low birth weight adjusted for gestational age. Report the appropriate test statistic, odds ratio, 95% confidence interval, and p-value.

d)Interpret your results in a sentence.