Suppose you are interested in using regression analysis to estimate an NBA player's salary using the following independent variables: the player was traded in the last 5 years, the player is on the All-Star team, the team made the playoffs in the previous season, career free throw attempts, the player is a college graduate, and the team had greater than 45 wins in the previous season. Which of the following independent variables are indicator (dummy) variables? Select all that apply. Answer the player was traded in the last 5 years, the player is on the All-Star team, the team made the playoffs in the previous season, the player is a college graduate, and the team had greater than 45 wins in the previous season