=+43. The article “The Accuracy of Stated Energy Contents of Reduced-Energy, Commercially Prepared Foods” (J. of the Amer. Dietetic Assoc., 2010: 116–

123) presented the accompanying data on vendorstated gross energy and measured value (both in kcal)

for 10 different supermarket convenience meals):

Meal: 1 2 3 4 5 6 7 8 9 10 Stated: 180 220 190 230 200 370 250 240 80 180 Meas.: 212 319 231 306 211 431 288 265 145 228