The following data consists of weight (in kg) of a group of 30 students 70, 75, 43,48,72,53,81,76,54,58,64,82,51,53,75,62,84,67,72,80,88,71,65,60,43,53,42,57,61,55
a. Represent the data in the form of frequency distribution using 40-45 (50 not included) as one of the class intervals.
b. How many students weight less than 70
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b) 18 students
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