FREQUENCY DISTRIBUTION TABLE OF GROUPED DATA|CLASS LIMIT, CLASS, BOUNDARIES,CLASS MARK|CHANG DAYAN
#groupeddata#frequencydistribution#statistics
FREQUENCY DISTRIBUTION OF GROUPED DATA|CLASS LIMIT, CLASS.BOUNDARIES,CLASS MARK|CHANG DAYAN
Frequency distribution is a way of presenting and organizing the data collected in
tabular form using classes and frequencies.
The common method of summarizing data is to present them in a condensed
form through tables and charts or in graphical form. If the collected set of data is
very large, you can present them by grouping into number of classes.
A frequency distribution is the organizing of raw data in table form, using
classes and frequencies.
When the frequencies of each data point are clustered in a specific class
interval, then we have a grouped frequency distribution.
*Range is the difference between the highest and lowest values.
*The frequency of a class interval is the number of data values that fall in
the range specified by the interval.
*To find the class size, we divide the range by the number of class intervals.
*The Class mark are the midpoints of the class intervals and they are
computed by adding the lower and upper limits and then dividing the sum by 2.
Must watched!
1:03 : Range
1:38 : Class Interval
1:45 : Class Width
2:56 : How to construct frequency distribution of grouped data
11:42 : How to get class mark
13:28 :Lower and upper limit
14:55 :Class boundaries
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