measures of central tendency
March 23rd, 2015
MEASURE OF CENTRAL TENDENCY:
 A value that a data set tends to be centred around.
 (Mean, median, or mode)
MEAN: (Average) - Sum of values
Number of values
MEDIAN: Middle value when a set of data is arranged in order.
MODE: Most common value in a set of data.
--------------------------------------------------------------------------------------Note: When a small set of data has a very high or very low value:
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The median is usually a good choice for describing the data!
TRY THIS:
Find the MEAN, MEDIAN, and MODE for the
following set of data:
10.8 , 10. 6, 15.4, 10.5, 10.7, 10.4
MEAN =
MEDIAN =
MODE =