Examlex
Which of the following symbols is used to mark a linked style?
Sample Mean
The average value of all the observations in a sample, calculated as the sum of the observations divided by the number of observations in the sample.
Confidence Interval
It expresses the degree of uncertainty or certainty in a sampling method, represented as a range within which an estimated parameter is expected to lie.
Alpha (α)
In statistics, it represents the significance level, a threshold determining the probability of rejecting a true null hypothesis.
Population Standard Deviation
Measures the dispersion of a set of data points in a population from its mean, indicating how spread out the data points are.
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