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In a one-factor ANOVA for independent samples, the mean differences between-groups caused by a treatment effect...

In a one-factor ANOVA for independent samples, the mean differences between-groups caused by a treatment effect contribute to which of the following variances (i.e., Mean Sum of Squares, MS0?

  • A. Both between-treatments variance and within-treatments variance

  • B. Between-treatments variance but not within-treatments variance

  • C. Within-treatments variance but not between-treatments variance

  • D. None of the above.

math   Statistics-And-Probability   
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Answer #1

Option B

Between-treatments variance but not within-treatments variance.ANOVA is based on comparing the variance (or variation) between the data samples to variation
within each particular sample.

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