Question

Consider an experiment taste-testing six types of chocolate chip cookies: Exercise 4.4 1 (brand A, chewy, expensive), 2 (brand A, crispy, expensive), 3 (brand B, chewy, inexpensive), 4 (brand B, crispy, inexpensive), 5 (brand C, chewy, expensive), and 6 (brand D, crispy, inexpensive). We will use twenty different raters randomly assigned to each type (120 total raters).

(a) Design contrasts to compare chewy with crispy, and expensive with inexpensive.

(b) Are your contrasts in part (a) orthogonal? Why or why not?

Answer 1

cheu 3 expensiwe 20 sales each e will b asted ас 0446 dney erth