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) =
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.