Video and Multimedia

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Using a frequency table to calculate central tendency and variability measures
This video was created by Chieh-Chen Bowen.

Mean, Median and Mode
Describes the differences amongst the three measures of central tendency, mean, median and mode. Also, depicts the computation of the three measures using ungrouped data.
Mean, mode and median from frequency tables

Weighted Mean
Shows the computation of weighted mean which means calculating the mean by taking into account the weight of each data point.

Standard Deviation
How to calculate Standard Deviation and Variance