In case of frequency distribution the raw data is arranged by intervals having corresponding frequencies. So if we are interested…
Arithmetic mean is the sum of the values divided by the number of values in the raw data. Arithmetic mean…
The cumulative frequency divided by the total frequency is called relative cumulative frequency or percentage cumulative frequency. It is used…
Cumulative frequency distribution shows the number of observations which fall below or above in a given class interval. If the…
Frequency of a class divided by total frequency of all classes is called relative frequency. Relative frequency is expressed in…
Now we know about class interval, class limits, size of class interval, frequency distribution, class boundaries and mid class. On…
Calculation of Class Boundaries Calculation of class boundaries for three class intervals can be illustrated with the help of following…
The arrangement of data according to magnitude or size is called a frequency distribution. It is the method of putting…