Examlex
Suppose that the sum of two numbers is 14 and the sum of their squares is 100. Find the numbers. Please enter your answer as two numbers, separated by a comma.
T-statistic
A type of statistic used in hypothesis testing, calculated by dividing the departure of an estimated parameter from its hypothesized value by its standard error.
Sample Size
The number of observations or data points that constitute a sample in a statistical study.
Z-test
A statistical test used to determine if there is a significant difference between sample and population means.
Level of Significance
A threshold of probability set by the researcher to determine the cutoff at which an observed result is considered statistically significant.
Q29: The graph of a linear function
Q30: Graph the parabola. <span class="ql-formula"
Q63: Express the following expression in simplest
Q73: What is the graph of 4 x
Q88: Graph the circle. <span class="ql-formula"
Q94: Change the radical to simplest radical
Q117: symmetry with respect to the y
Q127: Find f -1 ( x ).
Q146: Write <span class="ql-formula" data-value="\frac {
Q269: Solve the quadratic equation by factoring