Examlex
Star clusters are important to the study of stellar evolution because all the stars in a given cluster have one thing in common.What is it?
Hypothesis Testing
A statistical approach that utilizes data from a sample to test a theory regarding a population's parameter.
Normally Distributed Population
A population in which the data follows a normal distribution, having a bell-shaped frequency distribution curve.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values.
T Critical Value
The value from the t-distribution that is associated with a specified level of significance for a two-tailed test.
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