Noteworthy Families by Francis Galton and Edgar Schuster : image 33

PREFACE xxxvii

lines of entries on equal terms, those in the first were multiplied by 329 and divided by 657, and then entered in the second line. The closeness of resemblance between the second and third lines emphatically answers the question to be solved. There is no significant difference between the results of the marked and the unmarked observations. The reason probably is that the distribution of triple, double, and

TABLE VI.-COMPARISON OF RESULTS WITH AND WITHOUT
MARKS IN THE SIXTY-FIVE FAMILIES.

	! First Degree.	Second Degree.	Third Degree.	First Cousins.	Total.
Number of marks assigned	225	208	102	122	657
Number of marks reduced proportionately ...	113	104	51	6r	329
Number of individuals unmarked ... ...	110	112	46	61	329
Mean ... ...	111	108	49	61	329

single marks separately is much the same in each of the groups, and therefore remains alike when the three sets of marks are in use at the same time. I t is thus made clear that trouble taken in carefully marking names for different degrees of noteworthiness would be wasted in such a rough inquiry as this.

Table VII., in the next chapter, affords an interesting illustration of the character of the ignor-