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

Voice the hypotheses and let's see the computing.

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- September 26th 2007, 01:17 PM #1

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## 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*

- September 26th 2007, 08:01 PM #2

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