⟩ Which set of data exhibits a highest standard deviation?a) 7,0,-7,7,0,-7b) 7,-7,7,-7,7,-7
Ans:b 7,-7,7,-7,7,-7 its SD is 7
Here i can t give u formulae:
Bcoz of special characters like SQRT etc.
please have below URL :http://en.wikipedia.org/wiki/Standard_deviation
where u can find the procedure to find SD.