Question A metallurgist wants to repeat a particular experiment with four differ

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Question A metallurgist wants to repeat a particular experiment with four different treatments and Assistance wants the design to be sensitive enough so that it is likely to detect a difference of 10 between treatment means at the 5% level. He assumes that the error standard deviation will be Question Help about the same as the value of 6.726 calculated in the previous experiment. The following Report a Problem output from a statistical software package shows the result of a power calculation for an experiment with five observations per treatment. What is the power? What recommendation would you give the metallurgist regarding the usefulness of this proposed experiment? One way ANOVA Alpha 0.05 Assumed standard deviation 6.726 Number of Levels 4 Maximum SS Sample Difference Power Size Means 5 0.387777 The sample size is for each level. A. The power is 0.387777. Run the experiment. References

Explanation / Answer

The sample size is for each level.

THe power is 0.38777. Run the experiment that means we would give the metallurgist regarding the usefulness of the proposed experiment.

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