A storeowner wishes to compare the average amount of money high school and college students spend on music downloads.He randomly selects 10 students from three different student populations: high school,undergraduate,and graduate.The statistical assumptions required to perform a one-way ANOVA to compare the means of these three groups are reasonable based on the data.A partially completed ANOVA table is provided below. 
What is the value of the pooled standard deviation?
Definitions:
Psychological Essentialism
The belief that certain categories have an underlying reality or true nature that gives objects their identity.
Schemata View
This term refers to the cognitive framework or structure that helps individuals organize and interpret information.
Nonanalytic Concept Formation
This refers to the process of understanding and categorizing information based on experience or intuition, rather than through analytical or systematic strategies.
Grounded Cognition
The theory suggesting that cognitive processes are deeply rooted in the body's interactions with the world, relying on sensory experiences.
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