The following data shows students marks before and after they attended a remedial statistic “boot camp”. Is there evidence at the 0.05 level of significance that the boot camp improved the participants’ scores on the statistics test, stating the null and alternative hypothesis?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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The following data shows students marks before and after they attended a remedial statistic “boot camp”. Is there evidence at the 0.05 level of significance that the boot camp improved the participants’ scores on the statistics test, stating the null and alternative hypothesis?

Student
1
2
3.
4
6
7
B
Before
mark
Mean
18
162 19 471 5 18
24
·90 11234151671819 20
16 16 19 18 2012 22 15
23
18 40
3.8.8888.5888883x488.3
mark
20.45
Diff
4
4
235324211270
4
6
3
4
2.05
Transcribed Image Text:Student 1 2 3. 4 6 7 B Before mark Mean 18 162 19 471 5 18 24 ·90 11234151671819 20 16 16 19 18 2012 22 15 23 18 40 3.8.8888.5888883x488.3 mark 20.45 Diff 4 4 235324211270 4 6 3 4 2.05
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