In a completely randomized design,12 experimental units were assigned to the first treatment,15 units to the second treatment,and 18 units to the third treatment.A partial ANOVA table is shown below: 
a.Fill in the blanks (identified by asterisks)in the above ANOVA table.
b.Test at the 5% significance level to determine if differences exist among the three treatment means.
Definitions:
Emergency Room
A medical treatment facility specializing in emergency medicine, the acute care of patients who present without prior appointment.
Working Backward
A problem-solving strategy that involves starting from the desired solution or goal and working in reverse to determine the steps needed to reach that goal.
Well-Specified Goal
A clear and detailed objective that is explicitly defined, making it understandable and achievable.
Many Options
The state of having numerous choices available in a given situation, allowing for flexibility in decision-making.
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