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. The table shows the result of the experiment: We want to test Ho: The distribution of candy choice is the same for subjects like these who receive the red survey, the blue survey, and the control survey. Ha: The distribution of candy choice is not the same for subjects like these who receive the red survey, the blue survey, and the control survey. The statistics student uses a chi-square test for homogeneity to analyze her findings and calculates a P- value of 0.0359. Color of candy Red Blue Total Red 13 7 20 Survey Type Blue Control 5 8 15 12 20 20 Total 26 34 60 Which of the following is an appropriate conclusion, using a = 0.01? Because the P-value of 0.0359 > a = 0.01, we fail to reject Ho. We do not have convincing evidence that the distribution of candy choice is the same for subjects like these who receive the red survey, the blue survey, and the control survey Because the P-value of 0.0359 > a = 0.01, we fail to reject Ho. We do not have convincing evidence that the distribution of candy choice is different for subjects like these who receive the red survey, the blue survey, and the control survey. O Because the P-value of 0.0359> a = 0.01, we accept Ho. We have convincing evidence that the distribution of candy choice is the same for subjects like these who receive the red survey, the blue survey, and the control survey Because the P-value of 0.0359 > a = 0.01, we reject Ho in favor of Ha. We have convincing evidence that the distribution of candy choice is different for subjects like these who receive the red survey, the blue survey, and the control survey. Because the P-value of 0.0359 > a = 0.01, we fail to reject Ho. We do not have convincing evidence that the distribution of candy choice is different for those who took part in the survey.
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. The table shows the result of the experiment: We want to test Ho: The distribution of candy choice is the same for subjects like these who receive the red survey, the blue survey, and the control survey. Ha: The distribution of candy choice is not the same for subjects like these who receive the red survey, the blue survey, and the control survey. The statistics student uses a chi-square test for homogeneity to analyze her findings and calculates a P- value of 0.0359. Color of candy Red Blue Total Red 13 7 20 Survey Type Blue Control 5 8 15 12 20 20 Total 26 34 60 Which of the following is an appropriate conclusion, using a = 0.01? Because the P-value of 0.0359 > a = 0.01, we fail to reject Ho. We do not have convincing evidence that the distribution of candy choice is the same for subjects like these who receive the red survey, the blue survey, and the control survey Because the P-value of 0.0359 > a = 0.01, we fail to reject Ho. We do not have convincing evidence that the distribution of candy choice is different for subjects like these who receive the red survey, the blue survey, and the control survey. O Because the P-value of 0.0359> a = 0.01, we accept Ho. We have convincing evidence that the distribution of candy choice is the same for subjects like these who receive the red survey, the blue survey, and the control survey Because the P-value of 0.0359 > a = 0.01, we reject Ho in favor of Ha. We have convincing evidence that the distribution of candy choice is different for subjects like these who receive the red survey, the blue survey, and the control survey. Because the P-value of 0.0359 > a = 0.01, we fail to reject Ho. We do not have convincing evidence that the distribution of candy choice is different for those who took part in the survey.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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