Chapter 2: Q. 2.79 (page 69)
Construct a stem-and-leaf diagram for the data, using two lines per stem.

Short Answer

Chapter 2: Q. 2.79 (page 69)
Construct a stem-and-leaf diagram for the data, using two lines per stem.


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Construct a dot plot for the given data.

Provide a reason why the classification of data is important
For data that are grouped in classes based on more than a single value, lower-class limits (or cut points) are used on the horizontal axis of a histogram for depicting the classes. Classmarks (or midpoints) can also be used, in which case each bar is centered over the mark (or midpoint) of the class it represents. Explain the advantages and disadvantages of each method.
For a qualitative data set, what is a
a. frequency distribution?
b. relative-frequency distribution?
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.
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