a grouped frequency distribution with uncertain first or last class is known as -
a-exclusive class distribution
b-inculsive class distribution
c-open end distribution
d-discrete frequency distribution
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Assume you are collecting the data about weights of all students in your class. Definitely, there will be many students that share the same weight. In such a case, we can say that some weight values occur frequently. Thus we can construct a statistical frequency series out of this data according to a frequency distribution.
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