Examlex
Explain the processes of wave refraction and longshore drift. What happens to sand as a result of these processes?
T-Distribution
A probability distribution used in statistical analysis which is appropriate for estimating population parameters for small sample sizes or unknown variances.
T-Distribution
A probability distribution that arises in the sampling distribution of the mean of a normally distributed population when the sample size is small and the population standard deviation is unknown.
Confidence Intervals
A selection of values, extracted from a sample, presumed to hold the value of an undisclosed population attribute.
Population Variance
A measure of the spread or dispersion of a set of data values in a population, indicating the average squared deviation from the mean.
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