Examlex
Which of the following is an example of an administrative skill that managers possess?
Sample Variances
A measure of the dispersion or variability within a sample data set, which indicates how much the sample elements differ from the sample mean.
Test Statistic
A standardized value that is calculated from sample data during a hypothesis test. It's used to determine whether to reject the null hypothesis.
Two-tail Test
A statistical test where the critical area of a distribution is two-sided and tests whether a sample is greater than or less than a certain range of values.
Sample Variances
A measure of the dispersion or variability within a sample data set, calculated as the sum of squared deviations from the mean, divided by the number of observations minus one.
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