Examlex
A Doppler study uses a sonographic beam that picks up the speed of WBCs in the arteries tested.
Test Statistic
A value calculated from sample data during a hypothesis test used to decide whether to reject the null hypothesis.
Standard Error
The standard deviation of the sampling distribution of a statistic, commonly the mean.
Sample Standard Deviation
A measure of the dispersion or variability of a set of sample data points.
Alternative Hypothesis
A hypothesis used in hypothesis testing that proposes there is a significant difference between the observed data and the null hypothesis.
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