Question: Split the data into train ( 8 0 % ) and test ( 2 0 % ) set Set the random seed = 2 6

Split the data into train (80%) and test (20%) set Set the random seed =2600and show the shape of two sets (5 points)
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2. Define the dependent variable and independent variables variables in train set (5 points)
3. Build up the regression model with train set (5 points)
4. Which predictor is the most insignificant one? (5 points)

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