ADMS 2320 Lecture Notes - Exit Poll, Time Signature, Pie Chart
Document Summary
Chapter 2 section 2: graphical and tabular descriptive. Pts: 1: suppose you measure the number of minutes it takes an employee to complete a task, where the maximum allowed time is 5 minutes, and each time is rounded to the nearest minute. 20: 5 minutes, 3 minutes, 40 minutes, 20 minutes. Car buyers were asked to indicate the car dealer they believed offered the best overall service. The four choices were carriage motors (c), marco chrysler (m), triangle auto (t), and university. What percentage of car buyers identified carriage motors as having the best overall service: 1/4 = 0. 25 or 25, 14/40 = 0. 35 or 35, 14, none of these choices. True/false: a bar chart is used to represent interval data. Ref: section 2. 2: one of the advantages of a pie chart is that it clearly shows that the total percentages of all the categories add to 100%.