Given below is the frequency distribution of the heights of 50 students of a class .What is the class size of the class 155-160?
155
5
160
152.5
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Height (in cm) Frequency
150−155 12
155−160 9
160−165 14
165−170 10
170−175 5
Total 50
(i) The above table is the grouped frequency distribution.
(ii) Students with 160−165cm heights are maximum i.e. 14 students.
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