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Home Q & A Board Science-Related Homework Help Psychology
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hannah415 hannah415
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6 years ago
When the underlying distribution of interval scores is violently skewed,
  the appropriate correlational technique should be
 
  a. the Pearson r
  b. the t test
  c. the Spearman r
  d. none of these, since correlations cannot be computed for skewed
   distributions

Question 2

Homoscedasticity refers to the
 
  a. central tendency within one of the two distributions
  b. variability within the two distributions
  c. number of degrees of freedom
  d. all of these

Question 3

The Pearson r assumes that
 
  a. the samples are randomly selected
  b. the association between the variables is linear
  c. the measures do not depart from normality
  d. all of these

Question 4

A Pearson r value of -.20
 
  a. can never be significant
  b. must always be significant
  c. is significant only at p of .01
  d. none of these, since the number of pairs of scores was not given
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qcc2580qcc2580
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6 years ago
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hannah415 Author
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#2
6 years ago
Thank you

Can you answer the others that I've posted too? Face with Cold Sweat
wrote...
#3
6 years ago
I'll take a quick look at them
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