Homework Help: statistics

Posted by whitt on Sunday, August 26, 2007 at 4:52pm.

****Does the correlation .34 between extra curricular activities and academic achievement represent a true relationship? The null hypothesis is there is no relationship betwee extra-curricular activities adn academic achievement.

1. HO:=0.00
H1:> 0.00
2. Distribution: t; n=28
3. a: .05
4. T.S.:t=1.843
5. df :27; Significance level:.043

****What is the probability that the r of .34 occurred by chance?

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