Examlex
The number of defective parts in a sample is an example of variable data because it will "vary" from one sample to another.
Observed Z Value
A statistic measured in a dataset to determine how many standard deviations an element is from the mean.
Sample Mean
The average value of a sample set of numbers, calculated by summing all observations and dividing by the number of observations.
Population Average
The mean of a particular characteristic (e.g., age, income) of all the individuals or elements in a defined population.
Standard Error
A statistical measure that quantifies the variability or dispersion of a sampling distribution, often used to estimate the accuracy of a sample mean compared to the population mean.
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