Examlex
A runner collapses during a race and is examined by a doctor. They have lost the ability to plantar flex at the ankle. Which of the following is probably the injured muscle?
Z-test
A statistical test used to determine whether there is a significant difference between the mean of a sample and the mean of a population, or between the means of two samples, assuming a normal distribution.
T-test
A statistical test used to compare the means of two groups or samples to see if they are significantly different from each other.
Population Variances
A measure of the spread of a population's data points from its mean.
Test Statistic
A value derived from sample data, used in statistical hypothesis testing to determine whether to reject the null hypothesis.
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