Home Price 2 Final Project Data" file contains data on median home prices in the West Census region quarterly from 2010 to 2018. Easter Realtor, Inc. is interested in houses in this region. They want to use this data to forecast home price in the fourth quarter of 2018. For cross-validation, use the training set from the first quarter of 2010 to the fourth quarter in 2016, and use a validation set from the first quarter of 2017 to the third quarter of 2018. Use this data to do the following: