code:
linear_predicted_rating = linear_model.predict(test_x_std)


linear_predicted_rating:

array([[  6.23422877],
       [ 11.13175492],
       [  6.4233388 ],
       [  6.10970334],
       [  6.16557501],
       [  5.88329981],
       [  6.39362785],
       [  6.17001169],
       [  7.5573256 ],
       [  6.62660675],
       [  6.64527715],
       [  7.02956693],
       [  6.21694632],


test_y:

test_y.head(5)
Out[19]:
imdb_score
3865	5.9
3355	8.9
1239	5.9
3637	6.7
1286