c722c7b68bed013

http://nhiro.org.s3.amazonaws.com/8/2/825cf99de3f7a72a3098fde8861bfc25.jpg https://gyazo.com/825cf99de3f7a72a3098fde8861bfc25

(OCR text)

(1) Preliminary Proposition. Let xi, ag ...x^ be a system

of deviations from the means of n variables with standard

deviations a1, ag...cn and with correlations r2, r13, r23 . ..

Pп—1, п.

Then the frequency surface is given by

(Rpg Dр g

+2S

op

(i.)

Z=Ze

where R is the determinant

rin

1

13

r2n

1

T23

r21

1. . . "sn

T82

n3 .1

n2

Pearson (1900)

14

13118 A