A group of six students decides to conduct an experiment about "brain freeze,” a phenomenon that often occurs when eating something cold. The students each flip a coin. If they flip heads, they eat a cup of Italian ice as fast as they can while sitting in an air-conditioned car. If they flip tails, they eat a cup of Italian ice as fast as they can while sitting outside in the sunshine. After a recovery period, they each complete the opposite treatment. The students record the amount of time it takes, in seconds, for them to experience brain freeze under each condition. The data are displayed in the table. A 3-column table with 6 rows. Column 1 is labeled student with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled car with entries 33, 28, 21, 24, 16, 11. Column 3 is labeled sun with entries 36, 48, 59, 57, 47, 23. What is the mean difference (sun – car) and the standard deviation of the differences? X Overbar difference = 22.83, s difference = 12.375 X Overbar difference = 22.83, s difference = 13.556 X Overbar difference = 25.50, s difference = 12.375 X Overbar difference = 25.50, s difference = 13.556
A group of six students decides to conduct an experiment about "brain freeze,” a phenomenon that often occurs when eating something cold. The students each flip a coin. If they flip heads, they eat a cup of Italian ice as fast as they can while sitting in an air-conditioned car. If they flip tails, they eat a cup of Italian ice as fast as they can while sitting outside in the sunshine. After a recovery period, they each complete the opposite treatment. The students record the amount of time it takes, in seconds, for them to experience brain freeze under each condition. The data are displayed in the table. A 3-column table with 6 rows. Column 1 is labeled student with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled car with entries 33, 28, 21, 24, 16, 11. Column 3 is labeled sun with entries 36, 48, 59, 57, 47, 23. What is the mean difference (sun – car) and the standard deviation of the differences? X Overbar difference = 22.83, s difference = 12.375 X Overbar difference = 22.83, s difference = 13.556 X Overbar difference = 25.50, s difference = 12.375 X Overbar difference = 25.50, s difference = 13.556
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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A group of six students decides to conduct an experiment about "brain freeze,” a phenomenon that often occurs when eating something cold. The students each flip a coin. If they flip heads, they eat a cup of Italian ice as fast as they can while sitting in an air-conditioned car. If they flip tails, they eat a cup of Italian ice as fast as they can while sitting outside in the sunshine. After a recovery period, they each complete the opposite treatment. The students record the amount of time it takes, in seconds, for them to experience brain freeze under each condition. The data are displayed in the table.
A 3-column table with 6 rows. Column 1 is labeled student with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled car with entries 33, 28, 21, 24, 16, 11. Column 3 is labeled sun with entries 36, 48, 59, 57, 47, 23.
What is the mean difference (sun – car) and the standard deviation of the differences?
X Overbar difference = 22.83, s difference = 12.375
X Overbar difference = 22.83, s difference = 13.556
X Overbar difference = 25.50, s difference = 12.375
X Overbar difference = 25.50, s difference = 13.556
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