1. Do Major League baseball games take less time now than they did last season? To try to answer this question, you obtain data on the lengths of all games played in each of the two seasons. Since there were thousands of games played each season, you decide to select the first 100 games played in each of the two seasons. Then, you compute the average game length for this season and for last season.
   1. In this an experiment, observational study, sample survey, or census? Explain.

observational study because...

1. Many people eat fast food as a regular part of their diet. Is fast food unhealthy? The best answer may be, "It depends on what you eat." Here are some nutritional data about some popular fast-food burgers:

Burger	Restaurant	Calories	Fat	Cholesterol	Sodium
Quarter pounder w/ cheese	McDonald's	430	30	95	1310
Classic Single w/everything	Wendy's	410	19	70	890
Whopper w/cheese	Burger King	706	43	113	1164
Cheeseburger	In-N-Out	480	27	60	1000

1. What are the individuals in this data set?

1. What are the variables in this data set?

In those variables mentioned above,highlight those that are numerical.