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
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Problem 1P
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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?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6e06fe57-eaf9-4de9-ba26-2fe4274371c1%2F219fd588-53c4-4b59-aef4-8ba916538bc8%2Fqr5k02_processed.png&w=3840&q=75)
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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