4. THE PERCENTAGES THAT THE NON-GRADUATE GROUPS FORM OF THE PUPILS WHO
HAVE EACH SUCCESSIVELY HIGHER NUMBER OF FAILURES
By merely adding the columns of totals for Tables VIII and IX, we are
able to obtain the full number of pupils who have each number of
failures from 1 to 25. We may readily secure the percentages for the
non-graduates in each of these groups by referring again to the numbers
in the totals column of Table IX. The following series of percentages
are thus obtained.
THE PERCENTAGE FORMED BY NON-GRADUATES WITH 0, 1, 2, 3, ETC., FAILURES
ON THE TOTAL NUMBER WHO HAVE 0, 1, 2, 3, ETC., FAILURES
No. of Failures 0 1 2 3 4 5 6 7 8
Per Cent 68.4 65.7 68.5 77.2 69.0 68.0 70.6 67.3 63.5
No. of Failures 9 10 11 12 13 14 15 16 17+
Per Cent 61.8 63.6 69.0 61.2 66.0 65.3 70.0 61.5 69.4
That these percentages would be higher for the non-graduates than for
the graduates (that is, above 50 per cent) would certainly be expected
by a glance at their higher numbers in every group of their
distribution. But it would hardly be expected by most of us that the
percentages would show no general tendency to rise as the failures per
pupil increase in number, yet such is the truth as found here. The
reverse of these facts was found by Aaron I. Dotey, with a smaller
group of high school pupils[41] (1,397), studied in one of the New York
City high schools.
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