Question
In: Statistics and Probability
Trying to improve the techniques I use in the classroom and reduce the anxiety of the...
- Trying to improve the techniques I use in the classroom and reduce the anxiety of the students, I decided to try an experiment. I decided that I would incorporate more relaxation techniques prior to exams. For a comparison, I subjected the students to twice the exams (evil, I know). In essence, I did a pre- and post-test. The scores are below. At α = 0.05, can it be concluded that the relaxation techniques helped improve test scores?
|
No relax |
85 |
72 |
91 |
56 |
80 |
94 |
82 |
78 |
68 |
|
Relax |
87 |
70 |
92 |
68 |
79 |
93 |
86 |
72 |
70 |
(For each of the problems you must state: the hypotheses and identify the claim, state the test value, p-value, make a decision and summarize the results.)
Solutions
Expert Solution
Note: for calculation part take the sum
from given table.
orchestra answered 1 year agoRelated Solutions
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For average risk funds only, test the proportion of
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Here is the contingency table with the
data:
Sales charge
Yes
No
total
Risk
Low
6
8
14
Avg
42
34
76
High
24
23
47
Total
72
65
137
Context of the problem:
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