It is often difficult and costly to obtain individual-level student achievement data, yet, researchers are frequently reluctant to use school-level achievement data that are widely available from ...

FLINT, MI -- The city of Flint announced it has collected 163 water samples as part of a massive effort to test water quality. Flint is required to test water in at least 60 homes with lead service ...

The test of independence of row and column variables in a (J × K) contingency table is a widely used statistical test in many areas of application. For complex survey samples, use of the standard ...

Last month, a new COVID-19 variant from the omicron family spread across Oregon, causing a seventh wave of infections. On paper, this seventh wave hasn’t looked particularly impressive, peaking in ...

Successful completion of this course demonstrate your achievement of the following learning outcomes for the MS-DS program: Define a composite hypothesis and the level of significance for a test with ...