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Help with exercise!

Help with exercise! - BioStatistics Forum

Help with exercise! - Post Questions and Discuss Biostatistics Programs and Stastistical Analysis Questions

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Old 02-10-2012, 03:00 PM
Pipette Filler
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Default Help with exercise!

Hello everyone, I would like some help with this exercise:

To determine whether the conduct at school is different from the conduct at home, were studied 10 children treated for psychiatric illness. The behavior is measured on a scale from 1 to 100. 7 differences were observed to be positive and 2 negative. Applying the binomial distribution:

A) compute the probability of a negative or no difference assuming p = 0.5
B) assuming alpha = 0.05, a tail, we refuse or not the null hypothesis in favor of the hypothesis that the behavior at school is different, with a score greater than at home?

Thank you!
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