Examlex
In the order ________,which comprise the beetles,the forewings form a hardened elytra.
Standard Error
An estimate of the standard deviation of a sampling distribution, reflecting the accuracy with which a sample represents a population.
Confidence Interval
A span of numbers obtained from sample data, which probably includes the value of an unknown parameter from the overall population.
Sample Variance
A statistical measure that quantifies the degree to which sample points differ from the sample mean.
Population Mean
The arithmetic average of a set of values or a distribution in the entire population, representing the central location of the data.
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