The data set \Problem1.csv" presents statistics for the National Hockey League teams from the 2008-2009 season. Use the variable Win as the response and other variables GF through FG as regressor variables. Build the regression models using the following variable selection techniques.

At the beginning of a call to the cable company, a message tells customers, "after you finish talking to our customer service representative, you will be asked to take a five-question survey about the level of service you recieved. it would be appreciated if you could stay on the line to answer the survey questions." what type of sampling is the cable company using?