Question

the following table shows the weights of 15 workers the factory. Weigh in kg . 60 63 66 72 75 no. of workers. 4 5 3 1 2​

Answer 1

Answer:

Solution

Correct option is A)

Given data

The weights (in kg) of 15 workers in factory

Weight (in kg) 60 63 66 72 75

Number of workers 4 5 3 1 2

Lets we have to prepare the table for calculating the mean

Weight(in kg) (x) Number of workers (f) fx

60 4 240

63 5 315

66 3 198

72 1 72

75 2 150

∑f=15 ∑fx=975

we know that

Mean =

∑f

∑fx

=

15

975

Mean =65

Mean weight=65kg.

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