Warm Up Solutions

Define the terminology using your own words.

  1. mean

Sample: the sum of all values divided by the quantity of values

  1. median

Sample: the middle element of a data set when the data is ordered from least to greatest

  1. range

Sample: the maximum value minus the minimum value

Note

Remember, this is the range in statistics (not the range of a function).

  1. mode

Sample: the most frequently occurring element in a data set

Note

Q: Do all data sets have a mode? Explain.


A: No, not every data set has a repeated value (or values).


Note

These definitions were introduced in Algebra 1: Principles of Secondary Mathematics.

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