Chapter PIII, Problem 24RE

(a)

To determine

To construct: this experiment.

Explanation of Solution

Graph:

  

(b)

To determine

To find: the number of factors is there and the levels.

Explanation of Solution

 Factors: number of candies

Number of levels = 3

(No, 1, or 2 candies)

(c)

To determine

To find: the number of treatments.

Explanation of Solution

Total number of Treatments = 4

(No, 1 no extra candy, 1 offer for the extra candy and 2 candies)

(d)

To determine

To find: the response variable.

Explanation of Solution

The variable of response is the variable that is being evaluated and is therefore the tip.

(e)

To determine

To Explain: that this was experiment involve blinding and about the double blinding.

Explanation of Solution

Single-blinding, because they didn't know in which group the dinner parties were, but the waiter did know.

(f)

To determine

To explain: the reason for the way the waitress might have bias the data, maybe unintentionally.

Explanation of Solution

The waitress could accidentally handle and serve the dining parties that do not obtain better candies, so that she earns more.