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Vocabulary
Measures of central tendency such as
__________, ____________, ____________,
and ____________________________ provide
information about where data is centered.
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Mean — The average of the data.
To find: Take the sum of the data and divide
by the number of terms in the set.
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Median — The numeric middle of the data set.
To find:
1. Put the numbers in order from least to greatest
2. Find the middle term.
*If the set is an odd number of terms, the median will
be a single number.
If there are an even number of terms, you must find the
mean of the middle two terms.
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Mode – The measure occurring most frequently in a
data set.
To find:
Look for the number in the set that repeats the
most. If there is more than one, you can say all are
the mode and the set is called “bimodal”
Range – The difference between the highest & lowest
value in the set.
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Outlier —
A number that has an extreme value when compare
d to the rest of the data set.
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