This is Statistics and probability subject.. please do provide precise solution please. no need for explain explain.... in return I WILL RATE HELPFUL RATING DIRECTLY..

6. The following data gives prices for the same basket of goods at different shops. Find the variance and standard deviation of each store. Store X Store Y Store Z Orange Juice 8 10 15 Coke 10 23 18 Milk 25 16 17 Yogurt 13 11 Liquor 55 60 58