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Read and Understand Suppose I want to see if, overall, this class is improving in their understanding of Psychological Statistics. I will compare the performance between Quiz 1 and Quiz 2 and see if there is a significant difference. Which type of t-test should I use * Paired Groups Independent Groups Hypothetically, the result of the above t-test is as follows: t(971) = 8.193; p-value < 0.05. Given this result, which is the best way to know if the class has improved? Look at the t-test, t(971) = 8.193. It is positive, therefore there is an improvement. Look at the p-value: p < 0.05. It is significant, therefore there is an improvement Check the assumptions. If no violations, there is an improvement Check the descriptives. If Quiz 2 has a higher mean, there is an improvement. 12

Read and Understand Suppose I want to see if, overall, this class is improving in their understanding of Psychological Statistics. I will compare the performance between Quiz 1 and Quiz 2 and see if there is a significant difference. Which type of t-test should I use * Paired Groups Independent Groups Hypothetically, the result of the above t-test is as follows: t(971) = 8.193; p-value < 0.05. Given this result, which is the best way to know if the class has improved? Look at the t-test, t(971) = 8.193. It is positive, therefore there is an improvement. Look at the p-value: p < 0.05. It is significant, therefore there is an improvement Check the assumptions. If no violations, there is an improvement Check the descriptives. If Quiz 2 has a higher mean, there is an improvement. 12

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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Read and Understand Suppose I want to see if, overall, this class is improving in their understanding of Psychological Statistics. I will compare the performance between Quiz 1 and Quiz 2 and see if there is a significant difference. Which type of t-test should I use * Paired Groups Independent Groups Hypothetically, the result of the above t-test is as follows: t(971) = 8.193; p-value < 0.05. Given this result, which is the best way to know if the class has improved? Look at the t-test, t(971) = 8.193. It is positive, therefore there is an improvement. Look at the p-value: p < 0.05. It is significant, therefore there is an improvement Check the assumptions. If no violations, there is an improvement Check the descriptives. If Quiz 2 has a higher mean, there is an improvement. 12
Transcribed Image Text:Read and Understand Suppose I want to see if, overall, this class is improving in their understanding of Psychological Statistics. I will compare the performance between Quiz 1 and Quiz 2 and see if there is a significant difference. Which type of t-test should I use * Paired Groups Independent Groups Hypothetically, the result of the above t-test is as follows: t(971) = 8.193; p-value < 0.05. Given this result, which is the best way to know if the class has improved? Look at the t-test, t(971) = 8.193. It is positive, therefore there is an improvement. Look at the p-value: p < 0.05. It is significant, therefore there is an improvement Check the assumptions. If no violations, there is an improvement Check the descriptives. If Quiz 2 has a higher mean, there is an improvement. 12
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