The structure for 2,2,3,3-tetramethylbutane is: 
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Random Sample
A subset of individuals chosen from a larger set in such a way that every individual has an equal chance of being included in the sample.
Excel Output
The results produced by Microsoft Excel after processing data through formulas, functions, or simulations.
Sum of Squares
A statistical measure that quantifies the total variation within a dataset, calculated by summing the squares of differences from the mean.
Sum of Squares
The sum of the squared differences between each observation and the overall mean, used in various statistical models to measure variability.
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