You are training a linear regression model on a representative sample in order to predict house prices. performance tests suggest that the model has an issue of high estimator bias in combination with low estimator variance. what action below is likely to solve the high bias issue?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.