1: Does the body weight differ by smoking status? Describe and interpret the results from SPSS/R. Discuss whether you have enough empirical evidence to reject the null hypothesis and why. Where do these differences lie (i.e. which groups of smoking status are significantly different in terms of body weight)? (0.5 pts)

2. Does the body weight differ by smoking status, after controlling for age and physical activity? Describe and interpret the results from SPSS/R. Discuss whether you have enough empirical evidence to reject the null hypothesis and why. Are the effects of age and physical activity significant? (0.75 pts)

3. Do blood pressure readings across the two timepoints differ by gender and race? Describe and interpret the results from SPSS/R. Discuss whether you have enough empirical evidence to reject the null hypothesis and why. Describe the findings in detail, discussing all relevant main effects and interaction effects. (0.75 pts)

plz use R and give the R code plz

healthstatus 1 excellent 2345verygoodgoodfairpoor physical average minutes per week spent on physical activity qol 1 excellent 2 very good 3good 4 fair 5 poor lbs body weight in lbs Healthstatus Codebook age years age in years sex 1 male 2 female education 1 less than high school 2 high school degree 3 some college years 4 college degree or more smoke 1 non smoker 2 former smoker 3 current smoker race 1 Mexican-American 2 Other Hispanic 3 Non-Hispanic Black 4 Non-hispanic white 5 Asian 6 Other, includes multiracial healthstatus 1 excellent Healthstatus Codebook age years age in years sex 1 male 2 female education 1 less than high school 2 high school degree 3 some college years 4 college degree or more smoke 1 non smoker 2 former smoker 3 current smoker race 1 Mexican-American 2 Other Hispanic 3 Non-Hispanic Black 4 Non-hispanic white 5 Asian 6 Other, includes multiracial healthstatus 1 excellent