The creator of the General Educational Development test, long the measure of high school equivalency for dropouts, has unveiled a revamped computer-only exam that has spurred competition from two ...

What is a one sample t test? The t test is a commonly used hypothesis test in statistics that allows us to compare the mean value of a group of sampled data with some hypothesized value, usually a ...

Demand for more and better data for test is driving a major standards effort, paving the way for one of most significant changes in data formats in years. There is good reason for this shift. Data ...

CBSE has released sample question papers and the marking scheme for all subjects on its official website to help students ...