Question

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Answer 1

i)The range of the weights of the students is 43-62.
ii) The median is 47.25.
     sol: First arrange their weights in numerical order..
               43,43.5,46.5,47,47.5,53.6,58,61.7
             the mean of the 47,47.5 is the median i.e 47.25.
iii) The mean weight is 50.1
     sol: (43+43.5+46.5+47+47.5+53.6+58+61.7)/8 = 400.8/8=50.1
iv)The number of students having wt more than mean wt are "3"
     since (53.6,58,61.7)> 50.1

Answer 2

Step-by-step explanation:

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