Rework part (d) of Problem 3-4 using the Fisher LSD method. What conclusions can you draw? Explain carefully how you modified the technique to account for unequal sample sizes.

Problem 3-4

An experiment was run to determine whether four specific firing temperatures affect me density of a certain type of brick. The experiment led to the following data: 

Transcribed Image Text:

Temperature Density 100 21.8 21.9 21.7 21.6 21.7 125 21.7 21.4 21.5 21.4 150 21.9 21.8 21.8 21.6 21.5 175 21.9 21.7 21.8 21.4