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how to find mean median and mode from a frequency table. Step 1 - Select type of frequency distribution Discrete or continuous Step 2 - Enter the Range or classes X seperated by comma. Measures of Spread - Standard Deviation Percentile Z-Score Quartiles and Box-Whisker Plots.
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Remember that the mean is the average of the numbers in. If there is an even number of data then median will be the mean of the two central numbers. The median is the middle value in an ordered set of data.
B is the cumulative frequency of the groups before the median group.
L is the lower class boundary of the group containing the median. B is the cumulative frequency of the groups before the median group. 3 if there are 2 middle numbers you will have to find the middle between the two numbers. L is the lower class boundary of the group containing the median.
