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Summer 2021 Math 214 Chapter 2

Across
Positively skewed data. The right tail is longer.
Graph of quantitative data in which each data value is plotted as a point or a dot above a horizontal scale of values.
Shows how data are partitioned among several categories (or classes) by listing the categories along with the frequency of data values in each of them.
Bar graph for categorical data where the bars are arranged in descending order according to frequencies
A graph consisting of bars of equal width drawn adjacent to each other ( unless there are gaps in the data) The horizontal scale represents classes of quantitative data values and the vertical scale represents frequencies or relative frequencies
Down
Distributions such that the different possible values occur with approximately the same frequency
Are the numbers used to separate the classes, but without the gaps created by class limits.
Is the difference between two consecutive lower class limits (or two lower class boundaries) in a frequency distribution.
Are the values in the middle of the classes
Quantitative data that have been collected at different points in time
Are the smallest numbers that can belong to each of the different classes
Are the largest numbers that can belong to each of the different classes
Symmetric data that is called "normal" data
A.k.a. the stem and leaf plot - quantitative data are separated into a stem and a leaf. The leaf is the right most digit.