Tips, take 2. In another experiment to see if gettingcandy after a meal would induce customers to leave abigger tip, a waitress randomly decided what to do with80 dining parties. Some parties received no candy, somejust one piece, and some two pieces. Others initially got just one piece of candy, and then the waitress sug-gested that they take another piece. She recorded the tips received, finding that, in general, the more candy, thehigher the tip, but the highest tips (23%) came from theparties who got one piece and then were offered more.(Source: “Sweetening the Till: The Use of Candy toIncrease Restaurant Tipping.” Journal of Applied SocialPsychology 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 unintention-ally, have biased the results?
Tips, take 2. In another experiment to see if gettingcandy after a meal would induce customers to leave abigger tip, a waitress randomly decided what to do with80 dining parties. Some parties received no candy, somejust one piece, and some two pieces. Others initially got just one piece of candy, and then the waitress sug-gested that they take another piece. She recorded the tips received, finding that, in general, the more candy, thehigher the tip, but the highest tips (23%) came from theparties who got one piece and then were offered more.(Source: “Sweetening the Till: The Use of Candy toIncrease Restaurant Tipping.” Journal of Applied SocialPsychology 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 unintention-ally, 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
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
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 sug-
gested that they take another piece. She recorded the tips
gested 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.
(Source: “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?
higher the tip, but the highest tips (23%) came from the
parties who got one piece and then were offered more.
(Source: “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 unintention-
ally, have biased the results?
ally, have biased the results?
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