R3.24. Tips, take 2 In another experiment to see if getting candy after a meal would induce customers to leave a bigger tip, a waitress randomly decided what to do with 80 dining parties. Some parties received no candy, some just one piece, and some two pieces. Others initially got just one piece of candy, and then the waitress suggested that they take another piece. She recorded the tips received, finding that, in general, the more candy, the higher the tip, but the highest tips (23%) came from the parties who got one piece and then were offered more. ("Sweetening the Till: The Use of Candy to Increase Restaurant Tipping," Journal of Applied Social Psychology 32, no. 2 [2002]: 300-309) a) Diagram this experiment. b) How many factors are there? How many levels? c) How many treatments are there? d) What is the response variable? e) Did this experiment involve blinding? Double-blinding? f) In what way might the waitress, perhaps unintentionally, have biased the results?
R3.24. Tips, take 2 In another experiment to see if getting candy after a meal would induce customers to leave a bigger tip, a waitress randomly decided what to do with 80 dining parties. Some parties received no candy, some just one piece, and some two pieces. Others initially got just one piece of candy, and then the waitress suggested that they take another piece. She recorded the tips received, finding that, in general, the more candy, the higher the tip, but the highest tips (23%) came from the parties who got one piece and then were offered more. ("Sweetening the Till: The Use of Candy to Increase Restaurant Tipping," Journal of Applied Social Psychology 32, no. 2 [2002]: 300-309) a) Diagram this experiment. b) How many factors are there? How many levels? c) How many treatments are there? d) What is the response variable? e) Did this experiment involve blinding? Double-blinding? f) In what way might the waitress, perhaps unintentionally, have biased the results?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 26PFA
Related questions
Question
![R3.24. Tips, take 2 In another experiment to see if getting candy
after a meal would induce customers to leave a bigger tip, a
waitress randomly decided what to do with 80 dining parties.
Some parties received no candy, some just one piece, and
some two pieces. Others initially got just one piece of candy,
and then the waitress suggested that they take another piece.
She recorded the tips received, finding that, in general, the
more candy, the higher the tip, but the highest tips (23%)
came from the parties who got one piece and then were
offered more. ("Sweetening the Till: The Use of Candy to
Increase Restaurant Tipping," Journal of Applied Social
Psychology 32, no. 2 [2002]: 300-309)
a) Diagram this experiment.
b) How many factors are there? How many levels?
c) How many treatments are there?
d) What is the response variable?
e) Did this experiment involve blinding? Double-blinding?
f) In what way might the waitress, perhaps unintentionally,
have biased the results?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc35fb71-2a15-4f2c-a939-a31a62ea8fb5%2F47d85dd7-d6ec-4ad6-9d16-31a1bef573fa%2Fnigehz5y_processed.png&w=3840&q=75)
Transcribed Image Text:R3.24. Tips, take 2 In another experiment to see if getting candy
after a meal would induce customers to leave a bigger tip, a
waitress randomly decided what to do with 80 dining parties.
Some parties received no candy, some just one piece, and
some two pieces. Others initially got just one piece of candy,
and then the waitress suggested that they take another piece.
She recorded the tips received, finding that, in general, the
more candy, the higher the tip, but the highest tips (23%)
came from the parties who got one piece and then were
offered more. ("Sweetening the Till: The Use of Candy to
Increase Restaurant Tipping," Journal of Applied Social
Psychology 32, no. 2 [2002]: 300-309)
a) Diagram this experiment.
b) How many factors are there? How many levels?
c) How many treatments are there?
d) What is the response variable?
e) Did this experiment involve blinding? Double-blinding?
f) In what way might the waitress, perhaps unintentionally,
have biased the results?
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VIEWStep 2: (a) Construct the diagram for this experiment-
VIEWStep 3: (b) Determine the factor and level for the experiment-
VIEWStep 4: (c) Determine the number of treatments-
VIEWStep 5: (d) Determine the response variable
VIEWStep 6: (e) Determine the involvement of blinding and double blinding in this experiment
VIEWStep 7: (f) Determine the sources in which we have biased result
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