A food scientist wants to study the effect of the type of pan and the amount of sodium bicarbonate used in preparing peanut brittle on the flavor of the peanut brittle. In an experiment, peanut brittle is baked in four types of pans: iron, aluminum, stainless steel, and nonstick stainless steel. Sodium bicarbonate is used in three different quantities in the recipe: 0, 2, and 4 grams. Ten batches of peanut brittle are prepared at each combination of pan type and the amount of sodium bicarbonate. A panel of tasters scores each batch on the intensity of peanut, sweet, and buttery flavors.
A.
40
B.
120
C.
30
Answer: B.
120
How many batches of peanut brittle are needed for the experiment?
A.
40
B.
120
C.
30
Answer: B.
120
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