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Mom reader Mom reader
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6 years ago
In a study comparing 4 group means, the F-ratio is statistically significant. This means that:
 
  a. There is a significant difference between each of the four group means.
  b. There is a significant difference between at least two of the four groups.
  c. The variation within each group is much larger than in results that are not significant.
  d. None of these.


In a study comparing 4 group means, the number of the between groups degrees of freedom is:
 
  a. The total sample size.
  b. One.
  c. Three.
  d. Four.


The F-ratio:
 
  a. Reflects the variation among the means of several groups in relation to the variation within the groups.
  b. Contains a numerator that consists of the variation between the means of each group divided by the between groups degrees of freedom.
  c. Contains a denominator that consists of the variation in the dependent variable among the individual cases within each group divided by the within groups degrees of freedom.
  d. All of these.
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Starkiller2494Starkiller2494
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