Text ( visual ) : unmediated Data reduction : analysing and interpreting statistical data / A.S.C. Ehrenberg. -- pbk.. -- London ; New York : Wiley , c1975. -- xvii, 391 p. : ill. ; 24 cm. -- (A Wiley-Interscience publication). -- Bibliography: p. [377]-380. -- ISBN 0471233994 ; 0471233986 ; (BA03712340) ; https://ci.nii.ac.jp/ncid/BA03712340 Author Heading(s): Ehrenberg, A. S. C.. -- Classification(s): LCC : QA276 ; DC : 519.5. -- Subject Heading(s): LCSH : Mathematical statistics ; LCSH : Statistics ; LCSH : Data reduction