Stats: Modeling the World Nasta Edition Grades 9-12
Stats: Modeling the World Nasta Edition Grades 9-12
3rd Edition
ISBN: 9780131359581
Author: David E. Bock, Paul F. Velleman, Richard D. De Veaux
Publisher: PEARSON
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Chapter PIII, Problem 24RE

(a)

To determine

To construct: this experiment.

(a)

Expert Solution
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Explanation of Solution

Graph:

  Stats: Modeling the World Nasta Edition Grades 9-12, Chapter PIII, Problem 24RE

(b)

To determine

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

(b)

Expert Solution
Check Mark

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.

(c)

Expert Solution
Check Mark

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.

(d)

Expert Solution
Check Mark

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.

(e)

Expert Solution
Check Mark

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.

(f)

Expert Solution
Check Mark

Explanation of Solution

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

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