Which statement is most nearly correct regarding ECDF tests?
A)An attraction of the Anderson-Darling test is that it is fairly easy to do without a computer.
B)In an ECDF test for goodness-of-fit, the n observations are grouped into categories rather than being treated individually.
C)When raw data are available, ECDF tests usually surpass the chi-square test in their ability to detect departures from the distribution specified in the null hypothesis.

Question

Quizplus · Accepted Answer

ECDF tests, when raw data are available, usually perform better than the chi-square test in detecting departures from the distribution specified in the null hypothesis. The Anderson-Darling test may be more powerful than other ECDF tests but it requires a computer to perform. Option B is incorrect as in ECDF tests, individual observations are used rather than being grouped.

Which Statement Is Most Nearly Correct Regarding ECDF Tests