Statistical Sciences 1024A/B Chapter Notes - Chapter 1: United States Medical Licensing Examination, 5,6,7,8, Pie Chart
1 Apr 2015
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1. 1: (a) the individuals are the car makes and models. (b) for each individual, the variables recorded are vehicle type (categorical), transmission type (categorical), number of cylinders (usually treated as quantitative), city mpg (quantitative), highway mpg (quantitative), and. Some possible categorical variables: whether or not student plays on a sport team or club; sex; whether or not the student smokes; attitude about exercise, etc. Some possible quantitative variables: weight (kilograms or pounds), height (centimeters or inches); Resting heart rate (beats per minute); body mass index (kg/m2 or lb/ft2). If you include a wedge for other that accounts for 32. 7% of the total, a pie chart would be reasonable. 1. 4: (a) individuals fall into more than one of the categories. (b) a bar graph follows: A pie chart would make it more difficult to distinguish between the weekend days and the weekdays. Some births are scheduled (induced labor, for example), and probably most are scheduled for weekdays.
