Question: Circuit type in Exercise 13-8. Use α = 0.01. (a) Apply Fishers LSD method with α = 0.05 and determine which levels of the factor

Circuit type in Exercise 13-8. Use α = 0.01.

(a) Apply Fisher€™s LSD method with α = 0.05 and determine which levels of the factor differ.

(b) Use the graphical method to compare means described in this section and compare your conclusions to those from Fisher€™s LSD method.


Exercise 13-8

The response time in milliseconds was determined for three different types of circuits in an electronic calculator.

The results are recorded here.

Subjects (Observations) 5 6 115.9 119.5 98.9 101.9 98.8 100.9 Factor 3. 8. 10 11 12 115.8 100.0 102.8 118.8 105.4 102.1

Subjects (Observations) 5 6 115.9 119.5 98.9 101.9 98.8 100.9 Factor 3. 8. 10 11 12 115.8 100.0 102.8 118.8 105.4 102.1 122.6 115.6 102.7 115.1 99.8 116.9 107.9 93.5 115.4 113.6 DC 115.6 104.5 DC + MK MC 102.6 100.9 101.1 105.8 97.1 99.6 102.7 98.7 94.7 97.8 99.7 98.6

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