Answer Happy

wgt gest smoke
2940 38 1
3130 38 0
2420 36 1
2450 34 0
2760 39 1
2440 35 1
3226 40 0
3301 42 1
2729 37 0
3410 40 0
2715 36 1
3095 39 0
3130 39 1
3244 39 0
2520 35 0
2928 39 1
3523 41 0
3446 42 1
2920 38 0
2957 39 1
3530 42 0
2580 38 1
3040 37 0
3500 42 1
3200 41 1
3322 39 0
3459 40 0
3346 42 1
2619 35 0
3175 41 1
2740 38 1
2841 36 0
4. The BirthSmokers dataset is a random sample of 32 births based on a study conducted on pregnant women. The dataset has 3 variables wgt, gest and smoke giving information on birth weight of baby in gms, length of gestation in weeks and smoking status of mother(1 is smoking/O is not smoking) a. Use smoke and gest variables to predict the birth weight of the baby (Run a linear regression) and write down the estimated model. b. What's the expected birth weight of the baby given that the mother is non-smoker? What's the expected birth weight of the baby given that the mother is smoker? C. Does the smoking status impact the birth weight of the baby? Perform hypothesis testing to test it. Write down the null and alternative hypothesis. d. Report your test statistic value and p-value. Write down your decision based on the context of the question.