Examlex
No binary black hole has ever been detected.
Critical Value
A point on the scale of the test statistic beyond which we reject the null hypothesis; it defines the cutoff between significant and non-significant results.
F-ratio
A statistic calculated in an ANOVA test representing the ratio of variance between the groups to the variance within the groups.
Predicted Exam Scores
Estimates or forecasts of the scores individuals are expected to achieve on an exam based on a model or prior performance.
Y-intercept
The point where a line or curve crosses the y-axis of a graph.
Q4: How do sound and light waves differ?
Q8: Contrast the observed visible mass of the
Q21: The more its central black hole was
Q36: Any main- sequence star over 25 solar
Q69: Why would observing in blue light give
Q75: An observer on a planet sees a
Q78: The escape speed at the event horizon
Q103: Hubble's law implies that, at some time
Q114: The process where some fraction of the
Q115: Galaxies contain less mass as dark matter