Need help w/ ' determine if treatment has any effect'

lopram

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Nov 18, 2006
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Inspection of student data generated during pre/post treatment surveys shows that among 10 subjects, 7 had higher scores after an experimental treatment, 2 had lower scores, and 1 score did not change.

Using the traditional method of hypothesis testing, we need to determine if the experimental course has any effect. Use an alpha level of 0.01.

If the computed test statistic is 2.36, what is the critical value (to two decimal places of significance), and did the experimental course make a difference (Yes or No)?

I can't even start on this problem... can someone help?
 
alright so what is going here is they looked at the scores and saw that 7 had higher scores 2 had lower scores and 1 did not change. That would normally lead you to think that the treatment increased the scores.

So then another test was performed with the following hypotheses:

Ho: Treatment has no effect (state this with means probably)
Ha: Treatment increases the score (again, state this with means)

I guess they are using a T-test maybe so then u would check the value of:
p=P[T > 2.36] and see whether that value is less than .01.

The question is very poorly written.
 
Thanks for the help

I know the exercise is very poorly written. And I am having a lit bit of trouble with this kind of exercises. But thanks for your help...
 
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