basic mathematics image
 basic mathematics image

Measures of central tendency

Measures of central tendency are the mean, mode, and median of a set of data.

The mean is the sums of the values in the set divided by the number of items in the set

There is basically no difference between the mean and the average. In statistics, the term 'mean' is used instead of 'average'

The mean for 2, 4, and 6 is (2 + 4 + 6)/3 = 12/3 = 4

Finding the average will help you practice.

Mode of a set of data
Mode: The mode is the value or values that occur most often in a set.

Finding the median
The median is the value in the middle when the set is ordered from least to greatest or from greatest to least.

Box and whiskers plot
Box and whiskers plot: Learn how to construct a box and whiskers plot for a set of data using the median.

Stem and leaf plot
Learn how to organize data with stems and leaves.

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