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PRACTICE FINAL EXAM VERSION B 50 points total. Some problems may require calculation, Please choose the BEST answer. Which of the following is an example of doing inferential statistics? other problems just test concepts. 2. You calculate the average grade on an exam in a class of 5" grade math students to see if they did better or worse than last year. b. You lookup the median and the standard deviation of the age for the U.S. population from U.S. Census data. c. You use a sample of homes in Rancho Cucamonga to draw a conclusion about the mean home price for all Rancho Cucamonga homes. c d. _ You compare the distributions of scores for two Social Science 10 . You have an independent variable of \"drug condition. who get the placebo would be the , and the experimenter should use lasses to see which class did better on the exam. \" The people who get the drug would be the , the people to decide which subjects are in each one. a. experimental group; control group; random assignment b. control group; experimental group; random selection c. experimental group; control group; random selection d. sample; population; random sampling What is the value of 3(X? + 2) for the following scores? Scores: 9, 10, 8, 6, 5, 9, 6,5 a. 450 b. 464 c. 624 17 \"Distance you can throw a football\" is which kind of variable? a. Nominal b. Ordinal c. Interval d. Ratio a continuous variable? Which of these religions do you identify with? How old are you? Imagine that the following four sentences are questions on a survey. Which guestion would produc ap oo What level of education have you attained: high school, college, or grad school? Are you an only child? hat belong to