The average cost of remodeling one room in a house was compared for four different remodeling companies.A random sample of 10 rooms remodeled by each company were selected all with the same square footage,and cost of remodeling each room was recorded.(Rooms were randomly chosen from different houses.)The data are shown below.An F-test using ANOVA concluded that average costs differ for at least two of the remodeling companies. 
Use Tukey's and LSD multiple comparison methods to determine which remodeling companies differ in their average cost.Compare the results and discuss.(Keep the experimentwise Type I error at or close to 5%.)
Definitions:
Environment
Surroundings.
Peripheral Vision
The part of a person's field of vision that occurs outside the direct line of sight, enabling one to see objects and movements at the edge of their visual field.
Diabetic Retinopathy
A diabetes complication that affects eyes, characterized by damage to the blood vessels of the retina.
Pathology
The medical science that studies the causes and effects of diseases, especially the structural and functional changes in tissues and organs.
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