Thread: plz help

Four research participants take a test of manual dexterity (high scores mean better dexterity) and an anxiety test (high scores mean more anxiety). The scores are as follows.

Person Dexterity Anxiety
1 1 10
2 1 8
3 2 4
4 4 _2




c) Figure the correlation coefficient;

d) Figure whether the correlation is statistically significant
(Use the .05 significance level, two-tailed);

t needed (df = 2 p .05) =
r =
t =

Decision: reject the null hypothesis or do not reject the null hypothesis

Don't you need a Null and Alternate Hypothesis before you start computing?

Voice the hypotheses and let's see the computing.