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Book Chapter

Effect of Closure on the Comparison of Means in Ternary Systems

By
P. G. Sutterlin
P. G. Sutterlin
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R. W. May
R. W. May
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Published:
January 01, 1975

Closed-array data result in linear correlation between pairs of variables that are based on the properties of the closed array rather than on any geological or other relation between them. The comparison of means between the variables of two sets of three-component, closed-data arrays also is influenced by closure.

The usual procedure of comparing means is by the utilization of a t test. If the value of t when the means of one pair of variables are compared is greater than twice the critical value, the comparison of the means of at least one other pair of variables must yield the result that they are statistically different. Under these conditions, it is difficult to attach geological significance to more than one of the differences because any others may be a result of the closed-array properties of the two sets of data.

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Contents

GSA Memoirs

Quantitative Studies in the Geological Sciences

E. H. Timothy Whitten
E. H. Timothy Whitten
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Geological Society of America
Volume
142
ISBN print:
9780813711423
Publication date:
January 01, 1975

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