Accession Number:

AD0276864

Title:

TWO SEQUENTIAL TWO-SAMPLE GROUPED RANK TESTS WITH APPLICATIONS TO SCREENING EXPERIMENTS

Descriptive Note:

Corporate Author:

FLORIDA STATE UNIV TALLAHASSEE

Report Date:

1962-05-01

Pagination or Media Count:

1.0

Abstract:

Two-sample Grouped rank tests are developed as the Configural Rank Test and the Rank-Sum Test. For both tests, observations are taken in groups of m X-observations and n Y-observations with the observations ranked within the groups. The sequential procedures relate to the usual decisions at the end of each group, namely to accept a null hypothesis, to accept an alternative hypothesis, or to take another group of observations. The implications of these hypotheses are discussed. The sequential methods are direct applications of Wald sequential analysis. The configural rank test depends on a probabilityratio statistic based on probabilities of the particular configuration of ordered observations obtained the rank-sum test uses the withingroup rank sum for the Y-sample and probability ratios based on the probabilities for the rank sums. Author

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Distribution Statement:

APPROVED FOR PUBLIC RELEASE