A teacher gives a third grade class of n = 16 a reading skills test at the beginning of the school year. To evaluate the changes that occur during the year, students are tested again at the end of the year. Their test scores revealed an average improvement of MD = 4.7 points with SS = 2160. Are the test scores at the end of the year significantly higher than the test scores at the beginning of the year. Perform a hypothesis test using repeated-measures t-test. Use a one-tailed test with α = .01. T statistics= 1.57 critical t value=2.602 Your decision is Group of answer choices A.Fail to reject the null hypothesis because the t-statistic is greater than the critical t-value B.Fail to reject the null hypothesis because the t-statistic is not greater than the critical t-value C.Reject the null hypothesis because the t-statistic is not greater than the critical t-value D.Reject the null hypothesis because the t-statistic is greater than the critical t-value
A teacher gives a third grade class of n = 16 a reading skills test at the beginning of the school year. To evaluate the changes that occur during the year, students are tested again at the end of the year. Their test scores revealed an average improvement of MD = 4.7 points with SS = 2160. Are the test scores at the end of the year significantly higher than the test scores at the beginning of the year. Perform a hypothesis test using repeated-measures t-test. Use a one-tailed test with α = .01. T statistics= 1.57 critical t value=2.602 Your decision is Group of answer choices A.Fail to reject the null hypothesis because the t-statistic is greater than the critical t-value B.Fail to reject the null hypothesis because the t-statistic is not greater than the critical t-value C.Reject the null hypothesis because the t-statistic is not greater than the critical t-value D.Reject the null hypothesis because the t-statistic is greater than the critical t-value
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A teacher gives a third grade class of n = 16 a reading skills test at the beginning of the school year. To evaluate the changes that occur during the year, students are tested again at the end of the year. Their test scores revealed an average improvement of MD = 4.7 points with SS = 2160.
Are the test scores at the end of the year significantly higher than the test scores at the beginning of the year.
Perform a hypothesis test using repeated-measures t-test. Use a one-tailed test with α = .01.
T statistics= 1.57
critical t value=2.602
Your decision is
Group of answer choices
A.Fail to reject the null hypothesis because the t-statistic is greater than the critical t-value
B.Fail to reject the null hypothesis because the t-statistic is not greater than the critical t-value
C.Reject the null hypothesis because the t-statistic is not greater than the critical t-value
D.Reject the null hypothesis because the t-statistic is greater than the critical t-value
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