Question: Consider the data with analysis shown in the following computer output: Level N Mean StDev A 6 10.000 3.164 B 5 16.800 2.168 C 4

Consider the data with analysis shown in the following computer output:

Level N Mean StDev
A 6 10.000 3.164
B 5 16.800 2.168
C 4 10.800 2.387

Source DF SS MS F P
Groups 2 141.55 70.78 9.89 0.003
Error 12 85.95 7.16
Total 14 227.50

Is there sufficient evidence of a difference in the population means of the three groups?

Yes

No

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