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Home Q & A Board Science-Related Homework Help Psychology
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tethead tethead
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7 years ago
In a study with three groups with equal numbers of participants, the population variance can be estimated from the variance within each group giving estimates, 54.4, 48.6, and 50.9. What is the within-group estimate of the population variance?
A) (54.4 + 48.6 + 50.9)/(3 + 1) = 38.48
B) (54.4 + 48.6 + 50.9)/3 = 51.3
C) (54.4 + 48.6 + 50.9)/(3 + 2) = 30.78
D) (54.4 + 48.6 + 50.9)/(3 - 1) = 76.95
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ErhardtErhardt
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7 years ago
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tethead Author
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7 years ago
Smart ... Thanks!
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This site is awesome
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