Ten Observations Were Selected from Each of 3 Populations, and an Analysis

question 117

Essay

Ten observations were selected from each of 3 populations, and an analysis of variance was performed on the data. The following are the results:
a.Using $\mu$ = .05, test to see if there is a significant difference among the means of the three populations.
b.If in Part a you concluded that at least one mean is different from the others, determine which mean is different. The three sample means are
= 24.8,= 23.4, and= 27.4. Use Fisher's LSD procedure and let $\mu$ = .05.

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