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QUESTION 2 As an aid for improving student's study habits, 9 students were randomly selected to attend a seminar on the importance of education in life. The table shows the number of hours each student studied per week before and after the seminar. Before 9 12 | 6 After 18 10 21 15 15 13 7 17 9 20 2 22 6 Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Before 10.3333 4.69042 1.56347 After 13.4444 7.19568 2.39856 Paired Samples Test Paired Differences 99% Confidence Interval of Sig. (2- Std. Error Mean Std. the Difference Mean Deviation Lower Upper df tailed) Before - -3.11111 3.33333 1.11111 6.83932 .61710 -2.800 .023 After Answer the following questions based on the SPSS output above. i) Show that the test statistics is -2.80 ii) At a = 0.10, did attending the seminar increase the number of hours the students studied per week?

QUESTION 2 As an aid for improving student's study habits, 9 students were randomly selected to attend a seminar on the importance of education in life. The table shows the number of hours each student studied per week before and after the seminar. Before 9 12 | 6 After 18 10 21 15 15 13 7 17 9 20 2 22 6 Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Before 10.3333 4.69042 1.56347 After 13.4444 7.19568 2.39856 Paired Samples Test Paired Differences 99% Confidence Interval of Sig. (2- Std. Error Mean Std. the Difference Mean Deviation Lower Upper df tailed) Before - -3.11111 3.33333 1.11111 6.83932 .61710 -2.800 .023 After Answer the following questions based on the SPSS output above. i) Show that the test statistics is -2.80 ii) At a = 0.10, did attending the seminar increase the number of hours the students studied per week?

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
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QUESTION 2 As an aid for improving student's study habits, 9 students were randomly selected to attend a seminar on the importance of education in life. The table shows the number of hours each student studied per week before and after the seminar. Before 12 6. 6. 17 9 6 3 20 2 21 15 18 10 13 22 6 7 After 15 Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Before 10.3333 4.69042 1.56347 After 13.4444 9 7.19568 2.39856 Paired Samples Test Paired Differences 99% Confidence Interval of Std. Std. Error the Difference Sig. (2- Mean Deviation Mean Lower Upper df tailed) Pair 1 Before - -3.11111 3.33333 1.11111 -6.83932 .61710 -2.800 8 .023 After Answer the following questions based on the SPSS output above. i) Show that the test statistics is -2.80 ii) At a = 0.10, did attending the seminar increase the number of hours the students studied per week?
Transcribed Image Text:QUESTION 2 As an aid for improving student's study habits, 9 students were randomly selected to attend a seminar on the importance of education in life. The table shows the number of hours each student studied per week before and after the seminar. Before 12 6. 6. 17 9 6 3 20 2 21 15 18 10 13 22 6 7 After 15 Paired Samples Statistics Mean N Std. Deviation Std. Error Mean Pair 1 Before 10.3333 4.69042 1.56347 After 13.4444 9 7.19568 2.39856 Paired Samples Test Paired Differences 99% Confidence Interval of Std. Std. Error the Difference Sig. (2- Mean Deviation Mean Lower Upper df tailed) Pair 1 Before - -3.11111 3.33333 1.11111 -6.83932 .61710 -2.800 8 .023 After Answer the following questions based on the SPSS output above. i) Show that the test statistics is -2.80 ii) At a = 0.10, did attending the seminar increase the number of hours the students studied per week?
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