Examlex
Find all the rational zeros of the function.
X3 - 18x2 + 108x - 216
Degrees of Freedom
A concept in statistics that represents the number of independent values or quantities that can vary in the calculation of a statistic.
T-statistic
A type of statistic used in hypothesis testing, derived from the t-distribution to compare two means or test a correlation.
Sample Size
The quantity of data points or observations gathered in a sample from a population to conduct statistical analysis.
T-statistic
A type of statistic used in hypothesis testing, calculated as the ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error.
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