Examlex
What are two advantages of CCDs over photographic films for astronomy?
Confidence
In statistics, it often pertains to the degree of certainty or probability that a parameter falls within a specified range.
Population Variance
A measure of the spread of a distribution within an entire population, indicating how much the data differ from the mean.
T Distribution
A probability distribution that emerges in the context of estimating the mean for a normally distributed population, applicable when dealing with a small sample size and the population standard deviation is not known.
Degrees of Freedom
The number of independent pieces of information available to estimate another parameter or the number of values in the final calculation of a statistic that are free to vary.
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