By Norman Lloyd Johnson

Sir William Elderton's Frequency Curves and Correlation was once first released in 1906 and as a consequence 3 new variations have been released. It has lengthy loved acceptance as a resource of transparent descriptions of the sensible use of Pearson and likewise Gram-Charlie structures of frequency curves. Professor Johnson has considerably revised this booklet. the fabric on correlations has been passed over; descriptions of additional types of frequency curves were extra; the remedy of frequency surfaces has been recast and broadened; and the chance has been taken to amend the unique textual content within the gentle of later examine. the purpose of this publication continues to be primarily sensible. there's no test at encyclopaedic insurance of all recognized structures of frequency curves and surfaces. it's going to be of especial price as a brief reference booklet (for statisticians and non-statisticians alike) for formulae and strategies utilized in becoming frequency curves.

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