Question 2 Determine whether the variable is qualitative or quantitative. Number of students at a high school Is the variable qualitative or quantitative? O O A. The variable is quantitative because it is an attribute characteristic. O B. The variable is qualitative because it is an attribute characteristic. O O C. The variable is qualitative because it is a numerical measure. O D. The variable is quantitative because it is a numerical measure. O O O O Statcrunch 79.F Clear DII F1 F2 F3 F4 F5 F6 a # A & N W 4 5 O Q WESI - Ch. 1 Question 3 of 12 Determine the level of measurement of the variable. Years of elections: 1988, 1990, 1992, 1994, and 1996 Choose the correct answer below. O Interval O Ratio O Ordinal O Nominal W DII PrtSen F2 F3 F4 F5 F6 F7 # % & 4 5est: POST UNIT 1 Part 1 - TEST - Ch. 1 Question 4 of 12 This This A quality-control manager randomly selects 40 bottles of tomato sauce that were filled on November 23 to assess the calibration of the filling machine. What is the population in the study? O A. All bottles of tomato sauce produced in the plant on November 23. O B. The 40 bottles of tomato sauce selected in the plant on November 23. O C. All bottles of tomato sauce produced in the plant in the given year. Body Care Limite O D. The 40 bottles of tomato sauce selected in the plant. What is the sample in the study? O A. The 40 bottles of tomato sauce selected in the plant in November. O B. All bottles of tomato sauce produced in the plant in the given year. O C. The 40 bottles of tomato sauce selected in the plant on November 23. O D. All bottles of tomato sauce produced in the plant on November 23. atcrunch 79.F W Clear -O- DI X PrtSon Ho F6 F7 F8 F1 F2 F3 F4 F5 a # & N W 4 5 6 8 W E R Y U V D F G HSubm Determine whether the study depicts an observational study or an experiment. Thirty university students are divided into two groups. One group receives free tutoring in mathematics, the other doesn't. After one semester, scores on final mathematical examinations are compared. Does the description correspond to an observational study or an experiment? A. The study is an experiment because the researchers control one variable to determine the effect on the response variable. Body Care Limited Edition Heat Fragrance Mist - Women's Fragrances - Victori O B. The study is an experiment because the study examines individuals in a sample, but does not try to influence the variable of interest. O C. The study is an observational study because the researchers control one variable to determine the effect on the response variable. O D. The study is an observational study because the study examines individuals in a sample, but does not try to influence the response variable.Determine whether the study depicts an observational study or an experiment. Tenth-grade students are randomly divided into two groups. One group is taught English using traditional techniques. The other is taught English using a reform method. After 1 year, each group is given an achievement test to compare its proficiency with that of the other group. . . . Choose the correct description of the study. O A. The study is an experiment because the researchers control one variable to determine the effect on the response variable. Body Care Limit O B. The study is an experiment because the study examines individuals in a sample, but does not try to influence the variable of interest. O C. The study is an observational study because the study examines individuals in a sample, but does not try to influence the response variable. O D. The study is an observational study because the researchers control one variable to determine the effect on the response variable.