Activity- statistics problems

From Karnataka Open Educational Resources

Problem 1

If n =10, = 12 and = 1530 find coefficient of variation

INTERPRETATION OF PROBLEM

Previous knowledge

Solution

 

 

 

 
σ=Failed to parse (syntax error): {\displaystyle \sqrt{\frac{\sum {x^2}}{n}}-{\frac{({\sum{x}{n})^{2}}}}