Question: Download the edu_smoke.sav data set and use it to complete the following calculations using SPSS:

(1) Estimate the prevalence of smoking in the population.
(2) Estimate the prevalence of smoking in the four groups with different education levels.
(3) Test if the prevalence of smoking in Group 2 is different from 0.16 (Hint: You need to select the Group 2 only by using the Select Cases function in the Data menu.)