Examlex
Six months into a new marketing program,the Manager assesses the current metrics of the plan to the original forecasted results.When she realizes that sales are not on target and the plan must be adjusted,she is:
Variability
The degree to which data points in a statistical distribution or data set diverge from the mean value.
Sample Means
The average value obtained from a sample, which is a subset of a larger population.
Population Mean
The average value of a given set of numbers in a population.
Null Hypothesis
In hypothesis testing, it's the hypothesis that assumes no effect or no difference and serves as the basis for testing statistical significance.
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