Question: Consider the data with analysis shown in the following computer output: Level N Mean StDev A 4 10.300 2.871 B 5 16.800 2.168 C 6

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

Level N Mean StDev

A 4 10.300 2.871

B 5 16.800 2.168

C 6 10.800 2.387

Source DF SS MS F P

Groups 2 128.75 64.38 10.73 0.002

Error 12 72.02 6.00

Total 14 200.77

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

Yes

No

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