Examlex
In the three months before a $1 per pack cigarette tax took effect in Alaska, smokers bought 175 million more cigarettes than during the same period a year earlier. What explains this behavior by consumers?
Sum of Squares
A statistical technique used to measure the variation or dispersion of a set of numbers, calculated by summing the squares of differences from the mean.
Sample Means
The average value of a set of observations, taken from a sample of the population.
Analysis of Variance
A statistical method used to compare the means of three or more samples to find out if at least one is significantly different from the others.
Population Means
The average value of a particular characteristic across all members of a defined population.
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