Examlex
Which of the following is associated with low income?
Null Hypothesis
A default hypothesis that there is no effect or no difference, used as a starting point for statistical significance testing.
One-sample Z-test
A statistical test used to determine if the mean of a single sample differs significantly from a known or hypothesized population mean.
Standard Error
A statistical measure of the variability or precision of a sample mean, as an estimate of the population mean.
Population Average
The mean value of a set of characteristics or measurements for the entire population.
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