Question: Download and use the data set smok_bw.sav to complete the following calculations in SPSS:

(a) Use SPSS Descriptive Statistics/Explore to produce descriptive statistics for the birth weights in four groups.

(b) Produce an ANOVA analysis for comparing the mean birth weights in the four groups which includes checking for homogeneity of variance, checking normality of the data and post-hoc comparison using the LSD and Bonferroni methods.