Examlex
Which is the correct structural formula for 2,3,3-trimethylpentane?
Sample Variance
A measurement of the spread between numbers in a data sample, calculated by taking the mean of the squared deviations from the sample mean.
Squared Deviations
The squared differences between each observation and the mean, used in the calculation of variance.
Deviations Squared
The squares of the differences between individual data points and the mean of those points, used in calculating variance.
Mean
A statistical measure that demonstrates the central or typical value in a set of numbers, calculated by dividing the sum of all values by the number of values.
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