The following data summarize the results from an independentmeasures study comparing three treatment conditions.
a. Calculate the sample variance for each of the three samples.
b. Use an ANOVA with
a.
To find: The sample variance for each of the three samples.
Given info:
The data values and details are provided in the question.
Treatment 1  Treatment 2  Treatment 3 
















Calculations:
The formula for sample variances is
For treatment 1:
b.
To find: Whether there are any significant differences among the three treatments means using ANOVA with
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