1.C)  Item Wal-Mart Albertsons Difference 1.E)  Calculations
Doritos Cooler Ranch  13.5 oz 2.00 \$1.99 \$0.01 mean -0.54
Doritos Nacho Cheesier 13.5 oz 2.00 \$1.99 \$0.01 stand. Dev. 0.77
Ruffles - original     12 oz 2.87 \$2.50 \$0.37 n 10.00
Tostitos - Chili Con Queso Salsa 15.5 oz 2.00 \$3.09 -\$1.09 t* -2.24
Fritos chili cheese dip 10.75 oz 2.00 \$2.49 -\$0.49 0.10
Fritos Hot bean dip 9 oz 2.00 \$2.39 -\$0.39 1.38
Ruffles - WOW chip 15 oz 3.86 \$4.29 -\$0.43 p-value 0.05
Santitas - white corn  13.5 oz 0.97 \$3.39 -\$2.42 C.I. Lower -0.88
Tostitos - Baked 13.5 oz 2.97 \$3.39 -\$0.42 C.I. Upper 2.82
Lays - Bistro   9 oz 2.00 \$2.59 -\$0.59 -\$0.59