\fFast. food is often unhealthy because much of it. is high in both fat. and calories. Data are in the Excel le with tab being Question 4. a. Obtain a graphical presentation and from the graph. comments on the relationship between the two variables. A simple linear regrouion model is applied to predict. calories from fat. Clearly state the model with all the neclllary assumptions. Based on the given data. and without. using computer software. report. the predicted model. Obtain the AN OVA table. Report. the proportion of variations not. explained by the simple linear regr ion model. Based on the answer in part {e}. do you think the simple linear regruIion model is a good model? Why or why not? Interpret. Ba and 31 obtained in part {c} in the context. of this quest-ions. Based on the answer in part. {c}. forecast. the amount. of calories of a burger that contains 23 grams of fat