Annual report of the Board of Education of School District Number One in the City and County of Denver, Colorado . Pigurf. 1. iNormal Surface of FrequencyWith regard to the application of the normal probability curveto the problem of a percentile distribution of public in five divisions,Rugg concludes that in each large group of public-school pupils (lOOor more) one would expect to find 5 to 10 per cent. As20 to 25 per cent Bs35 to 40 per cent Cs20 to 25 per cent Ds5 to 10 per cent Es Sixteenth Annual Report. Figure 2. Distribution of grades in various Harvard classes. The full-drawn line show
Annual report of the Board of Education of School District Number One in the City and County of Denver, Colorado . Pigurf. 1. iNormal Surface of FrequencyWith regard to the application of the normal probability curveto the problem of a percentile distribution of public in five divisions,Rugg concludes that in each large group of public-school pupils (lOOor more) one would expect to find 5 to 10 per cent. As20 to 25 per cent Bs35 to 40 per cent Cs20 to 25 per cent Ds5 to 10 per cent Es Sixteenth Annual Report. Figure 2. Distribution of grades in various Harvard classes. The full-drawn line shows the average percentage of grades in eight large elementarycourses. The dotted line and the broken line; represent two departures fromthe average practice by instructors in two different departments. From Intro-duction to the Scientific Study of Education, by Judd.
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