Best writers. Best papers.

Let professionals take care of your academic papers today.


It is easy-peasy to use our online assignment help service. See how it works below:-

Submit Requirements

Track Your Order

Download completed work

Check our affordable prices

275 words

1 pages × jQuery22.05: jQuery22.05 ( 48 hours, double spaced)

Approximate price: $22.05

continue to order

(a) Build a multiple regression model for the purposes of predicting calories, using all the other variables as the predictors.

(b) Which of the predictors probably does not belong in the model? Explain how you know this. What might be your next step after viewing these results? (Hint: use t-test.)

(c) Suppose we omit cholesterol from the model and rerun the regression. Explain what will happen to the value of R^2.

(d) Which predictor is negatively associated with the response? Explain how you know this. (Hint: Plot and calculate correlation coefficients)

(e) Build a multiple regression model for the purposes of predicting calories, using the forward selection method.

(f) Build a multiple regression model for the purposes of predicting calories, using the backward elimination method.

(g) Build a multiple regression model for the purposes of predicting calories, using the stepwise variable selection procedure.

(h) Apply the best subsets procedure, and compare against the previous methods. (15 points)

(i) Perform all possible regressions. Did the variable selection algorithms find the best regression? (15 points)

Get an answer to this question in three simple steps

Submit instructions

Submit instructions required to answer your question by filling out the order form and including as many details as possible. Fill out the order form by selecting discipline, word count, format, academic level, and other details.

Track your order

You can check your order’s status or chat with the writer any time you want.

Get your paper done

You will receive a notification once your order is complete. It is ready to use, simply download it. 

Stay anonymous with our online academic writing help service


We guarantee our service is private and confidential

New looks. Same us. Say hi to all new EssayCrackers