If I were going to run an experiment that measures if rise in temperature in a classroom is related to aggression and degree of liking people, how would you operationally define the variables?

describe the relationship between populations and samples and descriptive and inferential statistics.

please answer the questions from the image

3. If we were going to run an experiment that measures if rise in temperature in a classroom is related to aggression and degree of liking people, how would you operationally define the variables (hint: there are 3 - 2 dependent variables and 1 independent variable)? 2 pts. 4. What is the Mean ( X ), EX2, and (EX) of the following scores? 1. 231 2. 12 3. 333 4. 271 X = EX? = (EX)2 = pt. 5. Describe the relationship between populations and samples and descriptive and inferential statistics. 1 pt. 6. What does "p = .05" or "a = .05" actually mean? 1 pt