Question

Find the variance and standard deviation of the wages of 9 workers given below: ₹310, ₹290, ₹320, ₹280, ₹300, ₹290, ₹320, ₹310, ₹280.​

Answer 1

Answer:

variance = 15.81

standard deviation = 14.907

Step-by-step explanation:

variance(s)^2 = Sum ( x- x')^2/n-1

=15.81

standard deviation (s) = 14.907

s^2= sum(x-x')^2*f/n

s= 14.907

Answer 2

Step-by-step explanation:

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