. The relation of the size of the class to school room efficiency. 20 30 45 56 -15_ 25 35 55Size of class. FIGURE 3. 10 „ 20 25 33 3545 55Size of class. FIGURE 4. 56 -. + 3 +2 + 1 0 -1 Figures at the left represent deviations from grade average,Gr. Av., in these diagrams marked 0. FIGURE 6, Attempts. FIGURE 6, Rights. Gr. Av. — , 15 25 35 55Size of class. +2+ 1 0 -1 -2-3 1015 2025W 35 *m 56 Size of class. FIGURE 7, Attempts. FIGURE 7, Rights. EE 11 • I T;p~ nil i ID 20 Size of class. FIGURE XXXXV. Test 8, Attem


. The relation of the size of the class to school room efficiency. 20 30 45 56 -15_ 25 35 55Size of class. FIGURE 3. 10 „ 20 25 33 3545 55Size of class. FIGURE 4. 56 -. + 3 +2 + 1 0 -1 Figures at the left represent deviations from grade average,Gr. Av., in these diagrams marked 0. FIGURE 6, Attempts. FIGURE 6, Rights. Gr. Av. — , 15 25 35 55Size of class. +2+ 1 0 -1 -2-3 1015 2025W 35 *m 56 Size of class. FIGURE 7, Attempts. FIGURE 7, Rights. EE 11 • I T;p~ nil i ID 20 Size of class. FIGURE XXXXV. Test 8, Attempts. 15 25 35 3D 45ee 56 - Size of class. S3


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Keywords: ., bookcentury1900, bookdecade1910, booksubjecttheses, bookyear1914