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Inspired by the example about how background music influences choice of entrée at a restaurant, a statistics student decided to investigate other ways to influence a person's behavior. Using 60 volunteers, she randomly assigned 20 volunteers to get a "red" survey, 20 volunteers to get a "blue" survey, and 20 volunteers to get a control survey. The first three questions on each survey were the same, but the fourth and fifth questions were different. For example, the fourth question on the "red" survey was "When you think of the color red, what do you think about?" On the blue survey, the question replaced red with blue. On the control survey, the last two questions were not about color. As a reward, each volunteer was allowed to choose a chocolate candy in a red wrapper or a chocolate candy in a blue wrapper. Here are segmented bar graphs showing the results of the experiment. 100 Red candy Which of the following observations from the 80 Blue candy segmented bar graphs is false? O A higher percentage of those in the red survey 60 group chose the red candy, compared with those who took the blue survey. 40 O Over half of those in the blue survey chose the blue candy. O 60% of those in the control survey chose the red 20 candy. O Over 60% of those who took the red survey chose Red Blue Control survey survey survey the red candy. Type of survey O Those in the control survey were more likely to choose the blue candy, compared with those in the red survey. Percent

Inspired by the example about how background music influences choice of entrée at a restaurant, a statistics student decided to investigate other ways to influence a person's behavior. Using 60 volunteers, she randomly assigned 20 volunteers to get a "red" survey, 20 volunteers to get a "blue" survey, and 20 volunteers to get a control survey. The first three questions on each survey were the same, but the fourth and fifth questions were different. For example, the fourth question on the "red" survey was "When you think of the color red, what do you think about?" On the blue survey, the question replaced red with blue. On the control survey, the last two questions were not about color. As a reward, each volunteer was allowed to choose a chocolate candy in a red wrapper or a chocolate candy in a blue wrapper. Here are segmented bar graphs showing the results of the experiment. 100 Red candy Which of the following observations from the 80 Blue candy segmented bar graphs is false? O A higher percentage of those in the red survey 60 group chose the red candy, compared with those who took the blue survey. 40 O Over half of those in the blue survey chose the blue candy. O 60% of those in the control survey chose the red 20 candy. O Over 60% of those who took the red survey chose Red Blue Control survey survey survey the red candy. Type of survey O Those in the control survey were more likely to choose the blue candy, compared with those in the red survey. Percent

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.5: Interpreting Data
Problem 9E
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Resources O Hint Inspired by the example about how background music influences choice of entrée at a restaurant, a statistics student decided to investigate other ways to influence a person's behavior. Using 60 volunteers, she randomly assigned 20 volunteers to get a "red" survey, 20 volunteers to get a "blue" survey, and 20 volunteers to get a control survey. The first three questions on each survey were the same, but the fourth and fifth questions were different. For example, the fourth question on the "red" survey was "When you think of the color red, what do you think about?" On the blue survey, the question replaced red with blue. On the control survey, the last two questions were not about color. As a reward, each volunteer was allowed to choose a chocolate candy in a red wrapper or a chocolate candy in a blue wrapper. Here are segmented bar graphs showing the results of the experiment. 100 Red candy Which of the following observations from the 80 Blue candy segmented bar graphs is false? O A higher percentage of those in the red survey group chose the red candy, compared with those who took the blue survey. 60 40 O Over half of those in the blue survey chose the blue candy. 60% of those in the control survey chose the red 20 - candy. O Over 60% of those who took the red survey chose the red candy. Those in the control survey were more likely to Red Blue Control survey survey survey Type of survey choose the blue candy, compared with those in the red survey. Percent
Transcribed Image Text:Resources O Hint Inspired by the example about how background music influences choice of entrée at a restaurant, a statistics student decided to investigate other ways to influence a person's behavior. Using 60 volunteers, she randomly assigned 20 volunteers to get a "red" survey, 20 volunteers to get a "blue" survey, and 20 volunteers to get a control survey. The first three questions on each survey were the same, but the fourth and fifth questions were different. For example, the fourth question on the "red" survey was "When you think of the color red, what do you think about?" On the blue survey, the question replaced red with blue. On the control survey, the last two questions were not about color. As a reward, each volunteer was allowed to choose a chocolate candy in a red wrapper or a chocolate candy in a blue wrapper. Here are segmented bar graphs showing the results of the experiment. 100 Red candy Which of the following observations from the 80 Blue candy segmented bar graphs is false? O A higher percentage of those in the red survey group chose the red candy, compared with those who took the blue survey. 60 40 O Over half of those in the blue survey chose the blue candy. 60% of those in the control survey chose the red 20 - candy. O Over 60% of those who took the red survey chose the red candy. Those in the control survey were more likely to Red Blue Control survey survey survey Type of survey choose the blue candy, compared with those in the red survey. Percent
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