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What is the range of each quantitative predictor

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Reference no: EM132851371

Using R studio. Using the data set is in R called mtcars.

  1. Which of the predictors are quantitative, and which are qualitative?
  2. What is the range of each quantitative predictor? Hint: range = maximum value - minimum value.
  3. What is the mean and standard deviation of each quantitative predictor?
  4. Now remove the 10th through 32nd observations. What is the range, mean, and standard deviation of each predictor in the subset of the data that remains?
  5. Using the full data set, investigate the predictors graphically, using scatterplots or other tools of choice. Create some plots highlighting the relationships among the predictors. Comment on the findings.
  6. Suppose that we wish to predict gas mileage (mpg) on the basis of the other variables. Does plots suggest that any of the other variables might be useful in predicting mpg? Justify your answer.

Reference no: EM132851371

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