Homework Help: statistics

Posted by kamelia on Saturday, January 8, 2011 at 4:11pm.

For problems 12 to 14, do the following: (a) Make a scatter diagram of the
scores; (b) describe in words the general pattern of correlation, if any; (c) figure
the correlation coefficient; (d) figure whether the correlation is statistically significant
(use the .05 significance level, two-tailed); (e) explain the logic of what
you have done, writing as if you are speaking to someone who has never heard
of correlation (but who does understand the mean, deviation scores, and hypothesis
testing); and (f) give three logically possible directions of causality, indicating
for each direction whether it is a reasonable explanation for the correlation
in light of the variables involved (and why).
12. 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.
(c)
(e)
(d)
(f)
Person Dexterity Anxiety
1 1 10
2 1 8
3 2 4
4 4 -2
13. Four

No one has answered this question yet.

Answer this Question

Related Questions

statistics in psychology - 11. Make up a scatter diagram with 10 dots for each ...
statistics - For problems 12 to 14, do the following: (a) Make a scatter diagram...
statistics - 14. Evolutionary theories often emphasize that humans have adapted ...
statistics - 3. The following data shows expenditures (in millions of dollars) ...
statistics definition - i have to find definitions and describe 208 words in my ...
Statistics - Make a scatter diagram with 10 dots showing a perfect positive ...
statistics - Please Help! My book and instructor are no help. Please help me ...
Statistics - 3. A professor is interested in whether there is a difference in ...
statistics - In an extensive study involving thousands of British children, ...
Math - I am stumped and confused can someone help? The following data set gives ...

For Further Reading

First Name:
School Subject:
Answer: