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A comparison of reaction times (in seconds) for two different stimuli in a psychological word- association experiment produced the following results when applied to a random sample of 8 people (each person is subjected to both stimuli in a random order): Person Stimulus 1 Stimulus 2 1 3 4 2 1 2 3 1 3 4 2 1 5 1 2 6 2 7 8 2 3 2.1 Do the data present sufficient evidence to indicate a difference in the true mean reaction times for the two stimuli? Do not perform a hypothesis test but find a 95% confidence interval for the difference in mean reaction times and use the interval to answer the question. 2.2 Using the interval obtained in 2.1, comment on which stimulus (1 or 2) results in the fastest reaction time, and state how much faster, on average, the reaction time is for that stimulus relative to the other one. Remember to include units.

A comparison of reaction times (in seconds) for two different stimuli in a psychological word- association experiment produced the following results when applied to a random sample of 8 people (each person is subjected to both stimuli in a random order): Person Stimulus 1 Stimulus 2 1 3 4 2 1 2 3 1 3 4 2 1 5 1 2 6 2 7 8 2 3 2.1 Do the data present sufficient evidence to indicate a difference in the true mean reaction times for the two stimuli? Do not perform a hypothesis test but find a 95% confidence interval for the difference in mean reaction times and use the interval to answer the question. 2.2 Using the interval obtained in 2.1, comment on which stimulus (1 or 2) results in the fastest reaction time, and state how much faster, on average, the reaction time is for that stimulus relative to the other one. Remember to include units.

MATLAB: An Introduction with Applications
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 comparison of reaction times (in seconds) for two different stimuli in a psychological word- association experiment produced the following results when applied to a random sample of 8 people (each person is subjected to both stimuli in a random order): Stimulus 1 Stimulus 2 Person 1 3 4 2 1 2 1 3 4 2 1 1 2 6 2 3 7 3 8 2 3 2.1 Do the data present sufficient evidence to indicate a difference in the true mean reaction times for the two stimuli? Do not perform a hypothesis test but find a 95% confidence interval for the difference in mean reaction times and use the interval to answer the question. Using the interval obtained in 2.1, comment on which stimulus (1 or 2) results in the fastest reaction time, and state how much faster, on average, the reaction time is for that stimulus relative to the other one. Remember to include units. 2.2
Transcribed Image Text:A comparison of reaction times (in seconds) for two different stimuli in a psychological word- association experiment produced the following results when applied to a random sample of 8 people (each person is subjected to both stimuli in a random order): Stimulus 1 Stimulus 2 Person 1 3 4 2 1 2 1 3 4 2 1 1 2 6 2 3 7 3 8 2 3 2.1 Do the data present sufficient evidence to indicate a difference in the true mean reaction times for the two stimuli? Do not perform a hypothesis test but find a 95% confidence interval for the difference in mean reaction times and use the interval to answer the question. Using the interval obtained in 2.1, comment on which stimulus (1 or 2) results in the fastest reaction time, and state how much faster, on average, the reaction time is for that stimulus relative to the other one. Remember to include units. 2.2
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