Ten observations were selected from each of 3 populations, and an analysis of variance was performed on the data. The following are the results: 
a.Using = .05, test to see if there is a significant difference among the means of the three populations.
b.If in Part a you concluded that at least one mean is different from the others, determine which mean is different. The three sample means are 
Definitions:
Commercial Aircraft
Airplanes specifically designed and utilized for the transportation of passengers and cargo as part of the aviation industry.
Age Cohort
A group of people broadly in the same age range, sharing similar experiences, attitudes, and historical contexts.
Formative Experiences
Critical events or periods in an individual's life that profoundly influence their development, personality, or values.
Age Cohorts
Groups of people defined by their age, often used in studies to understand generational differences in behavior and attitudes.
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