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4 <br /> TABLE 2 <br /> TABLE 1 <br /> COI-TAP.ISON OF TWO GROUPS OF ELEMENTARY SCHOOLS W2TH Y"G' CCF&ARISOrl OF TWO GROUPS OF ELEMENTARY SCHOOLS WITH CHf.NGEV TEST S70F.5S <br /> PAREh'9 INVOLVEMENTS GOING FROM THIRD TO FIFTH GRADE. GROUP 1 140ST 11-1PROVED, GROUP 2 worst decline <br /> �o 1 5th Iowa minority ratio stud./prof <br /> PTA �. SCHOOL FY19?4 ratio GROUP 1 MOST IMPROVED <br /> size score <br /> Ol G2 r'3 17.6 18.3 5th Iowa minority No. <br /> Chase 272 80 90 97 PTA SCHOOL FY 1979 3rd Iowa <br /> 75 N.Chevy 17.9 SIZE scores scores ratio Aides <br /> 243 76 92 95 9.1 <br /> _ 7d Lux Manor 12.9 st dent 6'1 G2 Qz Ol 42 <br /> 8(, Bradley 03 <br /> 295 78 90 95 "' <br /> 11.8 �'1 <br /> 287 68 93 9% 4 24.6 : <br /> 130 Brookmount 97 Ro1linRwood 234 G2 E� 93 72 8 93 <br /> 19.E 70 84 93 22 4 <br /> 10? Burnin€_ Tree 457 62 92 97 20'4 332 30 73 86 <br /> 20.4 34 Four Corners <br /> 335 8fi 93 97 3.3 46 73 .93 72 82 93 30.1 5 <br /> 116 Farmland 50 Highland View 232 <br /> 14.0 232 71 76 91 62 Sd 9: Sf..a 3 <br /> 97 315 81.7 91.7 96.3 12.5 1.1 123 Grosvenor <br /> 76 d.6 1.4 1.0 6.1 7.. 9 <br /> sigma =23.9 5,4 Brown Station E1. fi57 52 73 83 70 BC• 9' <br /> 78 Nonocacy 227 26 % 88 49 70 84 18.5 8 <br /> Gs,oup 2 av v.73 344 - 48 'n 89 66 82 92 19.F, 5.3 <br /> 51 82 94 28.3 16.5 .18 �9 +3 <br /> 90 Chevy Chase 385 Ia.- % score increase <br /> 56 82 90 22.0 16F 9 5.1 f 3.g 7.8 2..: <br /> 85 Cresthaven 304 sigma = 33.? <br /> 112 Galway 394 55 80 89 <br /> 14.2 �'e' <br /> 92 North Lake 299 51 70 66 GR <br /> 12.4 1G.1 OUC 2 Worst decline <br /> 0 7.0 20.8 22.2 l0 <br /> 306 StedwicY. 656 59 82 9 30 Pleasant View 261 68 76 88 _ 22 4F. 70 <br /> 9.5 11.7 12.9 7 <br /> 94 Abyside 462 .56 80 g2 46 81 90 al 54 66 <br /> 31 Burtonsville 232 <br /> 18.4 596 65 83 94 32 56 86 4.5 7 <br /> 15.5 9 Damascus <br /> 97 417 54.8 ?9.3 90.2 8.1 1.8 4� <br /> .sigma = 10.3 <br /> y32 3;2 4.7 2.? 52 Fields Road 42 6R 88 22 41 64 17.0 1 <br /> 66 Fox Chapel �4 62 83 90 32 46 76 21.9 2 <br /> 18 Kensington 221 68 83 93 32 54 86 31.7 8 <br /> avg.35 387 59 79 91 30 SO 75 18.4 9.7 <br /> sigma= 15.2 174 11.5 6 2.5 7.2 t- 9 913 2'6 <br /> U= x_ to n score decrease -29 -29 -lF• <br /> ( 7E <br /> 315+ 2.4d7 391_ - <br /> ,f G <br /> 391 is less than 417 95%confidence limit that <br /> difference in school size is significant <br />