=+13.28 ● The article “Vital Dimensions in Volume Perception: Can the Eye Fool the Stomach?” (Journal of Marketing Research [1999]: 313–326) gave the accompanying data on the dimensions of 27 representative food products

, Skippy Peanut Butter, and Ahmed’s tandoori paste, to name a few).

Maximum Minimum Product Width Width 1 2.50 1.80 2 2.90 2.70 3 2.15 2.00 4 2.90 2.60 5 3.20 3.15 6 2.00 1.80 7 1.60 1.50 8 4.80 3.80 9 5.90 5.00 10 5.80 4.75