A researcher suspects that there might be a relationship between obesity and smoking. 100 participants are classied into four groups according to their BMI and smoking behaviors. yielding the following frequencies: Smoking Behayior Marginal Obesity Nonsmoker Smoker Total Obese . , . 10 4O 50 iBMl-'r-JOJ Not Obese 30 20 50 {BMHSDII Marginal Total 40 {10 100 Please answer the follow-ring I'M questions and include your ansx-yers in one word document and upload it to Canvas. You coulcl either type your answers into a word document or take a picture of your hancl calculations and insert it into the word documentm22uestion c,_p|ease show the step_s of the calculation for credit. a. What are the null and alternative hypotheses in this example [1 point]? b. For this example. what are the degrees of freedom {1 pointi? c. What is the chi-square statistic? Please round off your answers to 2-decimal places {5 points}. d. According to the table below. what is the critical value assuming an alpha of mill points}? Critical Values of ChiSquare Level of Sigmficauce clf alpha = 0.03 alpha = 0.01 1 3.81 6.61 2 5.99 9.21 3 381 11.31 l 9.19 13.28 5 11.0? 15.09 e. What do you conclude based on the chisquare statistic and critical value assuming an alpha of 0.01 [1 point]