Examlex
Which of the following products made its way to the New World as part of the Columbian Exchange?
Null Hypothesis
A default assumption in statistical hypothesis testing that there is no effect or no difference, used as a basis for testing statistical significance.
Test Statistic
A statistic calculated from sample data, used to determine the p-value in hypothesis testing.
Degrees Of Freedom
The number of independent values or quantities that can vary in the calculation of a statistic.
Null Hypothesis
A statement that there is no effect or no difference, which is tested statistically to be either rejected or not rejected based on data.
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