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Sign Test for Nominal Data

Sign Test for Nominal Data

The sign test is a nonparametric method used to evaluate hypotheses about the median of a single sample or to compare the medians of two related samples. The sign test is particularly useful when dealing with nominal data, which includes distinct categories without an inherent order, such as names, labels, and preferences. Nominal data restricts statistical analysis to evaluating population proportions rather than mean or median values that require continuous data.
For example, consider a...

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Related Experiment Video

Updated: Jul 19, 2025

Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production

Murine Orchiectomy and Ovariectomy to Reduce Sex Hormone Production

Published on: November 17, 2023

Evidence around neutering dogs

Martin Whitehead¹

¹Chipping Norton Veterinary Hospital, Banbury Road, Chipping Norton, Oxfordshire, OX7 5SY.

The Veterinary Record

|August 18, 2023

Summary

No abstract available in PubMed .

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