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8
Analyses of Single Samples
Researchers do not always have two or more groups to study. Some prob-
lems call for analysis of only one group. This chapter presents a discussion
of several different tests for analyzing single samples. Section 8.1 discusses
the binomial test whose objective is to examine the chance occurrences of
outcomes on repeated trials for a binary (dichotomous) variable. Section8.2
presents the one-sample sign test that is concerned with the direction of
the difference between observed values and a specic value. Section 8.3
addresses the one-sample runs test for randomness. The purpose of the runs
test for randomness, ...