53) You have collected data on the responses to two questions asked in a survey of 40 college students majoring in business–"What is your gender (Male = M; Female = F)?" and "What is your major (Accountancy = A; Computer Information Systems = C; Marketing = M)?" Which of the following is the best for presenting the data? A) a contingency table B) a stem-and-leaf display C) a time-series plot D) a Pareto chart Answer: A Difficulty: Moderate Keywords: choice of chart, contingency table TABLE 2-6 A sample of 200 students at a Big-Ten university was taken after the midterm to ask them whether they went bar hopping the weekend before the midterm or spent the weekend studying, and whether they did well or poorly on the midterm. The following table contains the result.
Studying for Exam Went Bar Hopping
Did Well in Midterm 80 30
Did Poorly in Midterm 20 70
54) Referring to Table 2-6, of those who went bar hopping the weekend before the midterm in the sample, percent of them did well on the midterm. A) 15 B) 27.27 C) 30 D) 55 Answer: C Difficulty: Easy Keywords: contingency table, interpretation 55) Referring to Table 2-6, of those who did well on the midterm in the sample, went bar hopping the weekend before the midterm. A) 15 B) 27.27 C) 30 D) 50 Answer: B Difficulty: Easy Keywords: contingency table, interpretation
percent of them