Examlex
Which of the following creates a barrier to entry because it reduces the number of providers in the market and decreases potential competition?
Variance
A measure of dispersion showing how much the data points in a set differ from the mean, calculated as the average of the squared differences from the mean.
Final Average
The weighted mean of a student's academic performance across courses over a term or academic year.
Mode
The value that appears most frequently in a data set, representing the most common or popular outcome among the observed values.
Sample Variance
A metric indicating the spread or variation in a set of sample data, determined by dividing the sum of the squared differences from the mean by the total number of data points minus one.
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