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Statistics Vocab
Math Statistics Vocabulary
definition | term |
---|---|
the difference between the greatest value and the least value in a set of data | range |
the average distance between each data value and the mean | mean absolute deviation |
a description of how spread out the data in a set are | variability |
the data value(s) the occurs most often in a set of data | mode |
the sum of all data values divided by the total number of data values; average | mean |
the difference between the first and third quartiles | interquartile range |
a way of displaying data on a number line to show the distribution of a data set | box plot or box-and-whisker-plot |
a single value that is used to represent a collection of data; mean, median, mode | measure of center |
the middle value in a set of data values that are written in order from least to greatest | median |
the organization of a data set | distribution |
Which measure of center is best when the data is symmetrical? | Mean |
Which measure of variation/variability is best when the data is symmetrical? | Mean absolute deviation |
Which measure of center is best when the data is skewed? | Median |
Which measure of variability/variation is best when the data is skewed? | Interquartile range |
Which measure of center is best for categorical data? | Mode |
Which measure of variation/variability is best for categorical data? | Range |