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Evaluation of two assumptions: single straight line, and single normal distribution

Authors
Journal
Trends in Pharmacological Sciences
0165-6147
Publisher
Elsevier
Publication Date
Volume
12
Identifiers
DOI: 10.1016/0165-6147(91)90580-l

Abstract

Abstract Using graphical and statistical approaches, Laszlo Endrenyi and Mayank Patel describe methods that answer two frequently asked questions: ‘ Can the data be characterized by a single straight line, or should a more complex model be invoked?’ and ‘ Do the observations follow a single normal distribution, or is there evidence for deviations from this assumption, including the possibility of bimodality?’ These methods complement those addressed in a recent Principles article by Dick Barlow.

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