Question: A teacher was interested in finding out whether a special study program would increase the scores of students on a national exam. Fourteen students were
A teacher was interested in finding out whether a special study program would increase the scores of students on a national exam. Fourteen students were selected and paired according to IQ and scholastic performance. One student from each pair was randomly selected to participate in the special program, with the other student participating in the standard program. Both programs ended at the same time. Shortly thereafter, the students took the national exam. The results were as follows:
Special program
66
82
96
72
78
82
67
Standard program
60
79
92
73
75
80
69
Descriptive statistics for two-sample test
Variable N Mean StDev
Special Program 7 77.571 10.454
Standard Program 7 75.429 9.947
Descriptive statistics for paired test
Variable N Mean StDev
Special - Standard 7 2.14 2.79
- What what is the appropriatechoice of Ha?
- what is the value of test statistic? Round your answer to two decimal places.
- what is the rejection region?
- what is your conclusion?
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