Anya, a left-handed baseball player, has always believed (from personal experience) that baseball players who are left-handed are better at baseball than those who are right-handed. You will be helping Anya check her belief - is it reasonable to say that, in general, baseball players who are left-handed are better at baseball than those who are right-handed?

You are provided some numerical and graphical summaries for 600 randomly selected baseball players from the Sean Lahman Baseball Database. The data includes information on the number of runs scored (over a player's entire career) and the hand used by the player to bat. The variables are:

• Bat: The player's batting hand: left (L) or right (R)
• Runs: The number of runs scored by the player

Before we start looking at data, let's understand our study and the variables.

1.) What type of a study is this?

a.) Experiment

b.) Observational study

2.) In this study, what role does the variable Bat play?

a.)Confounding variable

b.)Explanatory variable c.)Response variable

3.)In this study, what type of variable is Runs?

a.) Categorical Choice

b.) Discrete Choice

c.) Quantitative Continuous