For Exercises 15.1 to 15.3, see pages 15-6 to 15-7; for 15.4 to 15.6, see page 15-10; for 15.7, see pages 15-12 to 15-13; for 15.8 to 15.10, see page 15-15; for 15.11, see page 15-16; for 15.12 and 15.13, see page 15-18; and for 15.14 to 15.16, see pages 15-20 to 15-21.
15.19 Describe the design.
Each of the following situations is a two-way study design. For each case, identify the response variable and both factors, and state the number of levels for each factor ( and ) and the total number of observations .
15.19
(a) Response: skin temperature. Factors: haptic feedback (4 levels) and type of game (2 levels). . (b) Response: total calories. Factors: menu type (3 levels) and price pattern (2 levels). . (c) Response: strength. Factors: mixture (6 levels) and cycles of freezing (3 levels). .