Answer Happy

Q2. A restaurant corporation wants to know if weather affects tip size. They studied the size of a tip in a restaurant when the weather outside was good and when the weather outside was poor. They wanted to know whether the presence of good weather influenced patrons to tip higher. Below are the tips as a percent of the bill. Good Weather: 16.1 24.5 19.9 22.2 20.3 21.0 Poor Weather: 15.0 22.1 16.3 15.5 18.3 19.1 . What is the variable of interest in this example? Is the variable categorical or quantitative? How many populations are the researchers interested in? What testing procedure is appropriate for their question of interest? .