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Chapter 2: Q2.1 (page 40)
Give an example, other than those presented in this section, of
a) Qualitative Variable
b) Discrete Qualitative Variable
c) Continuous Quantitative Variable
A) Level of honesty, Intensity of love
B) Number of people, Numbers on a die
C) Weight & height of people
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Do the concepts of class limits, marks, cutpoints, and midpoints make sense for qualitative data? Explain your answer.
Provide a reason why the classification of data is important
Number of Cars. The number of automobiles per family
In this case, decide which type of grouping (single-value, limit or cutpoint is probably the best.
Clocking the Cheetah. Construct a relative-frequency polygon for the speed data given in Exercise 2.89. Use the classes specified in that exercise.
Suppose that you have constructed a stem-and-leaf diagram and discover that it is only moderately useful because there are too few stems. How can you remedy the problem?
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