Date of Award

8-1934

Document Type

Thesis

Degree Name

Master of Science (MS)

First Advisor

J.A.G. Shirk

Keywords

Pearsonian, Curves, Study

Abstract

It is characteristic of most frequency curves that they start from zero, rise to a maximum and then decrease to zero again. The curve representing these distributions will be either symmetrical or non-symmetrical. Symmetrical distributions are commonly represented by normal frequency curve. The characteristics and properties of this curve are well known.

Non-symmetrical distributions can often be represented by Pearson's Type III or Type V Curves. The Type III Curve is better known and more commonly used. However there are some distributions better represented by the Type V Curve.

The chief variation is to be found at the lower end of the curves. The Type III Curve follows the X axis closely for a time and then rises abruptly to the mode. The Type V curve rises more uniformly from the start of the curve to the mode.

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