Examlex
Cepheid variable stars are more luminous than the Sun.
Randomly Selected
A method of selection that ensures each item or person has an equal chance of being chosen, aiming to eliminate bias.
T-Distribution
A type of probability distribution that is symmetric and bell-shaped but with heavier tails, used especially in small sample sizes.
Degrees Of Freedom
The number of independent values or quantities that can be assigned to a statistical distribution, typically influencing the shape of the distribution.
Critical Value
A threshold value in statistical testing that separates the area where the null hypothesis is accepted from the area where it is rejected, based on a chosen significance level.
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