Al Manhal Water Factory, which is now under Nestle is one of the leading water factory in Bahrain. It also distributes Nestle Pure Life bottled water which are in different sizes of 8 fl oz Bottled Water. Small enough to fit in lunchboxes, backpacks or purses, our 8 fl oz bottles, 500 mL Bottled Water, 20 fl oz Bottled water, 700 mL Bottled Water, 1 L Bottled Water and 1.5 L Bottled Water.Volume Tolerance for 700 MI Water Bottle : 700ml +/-10mm, For 500 MI bottle will be = 500 MI +/- 8 ml. Average Data for 700 ml bottle are as follows: Jan - 650ml, Feb - 710ml, March - 715ml, April - 698ml, May - 680ml, June - 700ml, July 705ml, August - 690ml, Sept - 700 ml, Oct - 690ml, Nov 724ml and Dec- 712ml. Apply the most appropriate quality tool to use in this situation and conclude on the performance of the production.