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Home Q & A Board Science-Related Homework Help Psychology
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karan98agarwal karan98agarwal
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6 years ago
A distribution-free test
 
  a. is almost synonymous with a nonparametric test.
  b. is a test that makes few assumptions about the distribution from which the data were drawn.
  c. usually has less power than a parametric test.
  d. all of the above

Question 2

In a chi-square test the expected frequency is
 
  a. the frequency you would expect if the null hypothesis were false.
  b. the frequency you actually obtained.
  c. the frequency you would expect if the null hypothesis were true.
  d. Expected frequency has nothing to do with the null hypothesis.

Question 3

We can only use a chi-square test with frequency data if
 
  a. the observations are independent.
  b. the observations are sorted into categories.
  c. the sample size is not very small.
  d. all of these apply

Question 4

If we want to test proportions, one wrong way to do so is to
 
  a. put the proportions themselves directly into the chi-square formula.
  b. convert proportions to frequencies.
  c. take the difference in proportions and turn it into a z score.
  d. You can't do any of these things.
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vsantiago1vsantiago1
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6 years ago
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karan98agarwal Author
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6 years ago
You make an excellent tutor!
aznzergs
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Yesterday
this is exactly what I needed
Lawson1981
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2 hours ago
Brilliant ツ
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