DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:43 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 214/Starr VRSN: W 214-901/Rio Grande City ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 60,884,638 0.9756 62,407,378 9 3,233 .070315342 2 A 60,822,530 0.9531 63,815,476 8 1,894 .013378520 3 A 60,819,240 0.9556 63,645,082 8 1,226 .051850596 4 A 60,818,734 0.9688 62,777,389 12 622 .028101074 5 C 12,665,522 0.8465 14,962,223 14 2,946 .091394238 6 C 12,573,294 0.8708 14,438,785 7 1,600 .016721173 7 C 13,015,916 1.0028 12,979,573 14 775 .027197468 8 C 12,206,113 1.3652 8,940,897 6 170 .186817194 9 D3 18,071,440 0.9540 18,942,809 15 6,655 .030510861 10 F1 19,547,140 1.0727 18,222,373 8 266 .076580700 11 F1 19,946,772 0.8546 23,340,477 6 81 .033133076 12 F1 20,613,023 1.0056 20,498,233 6 30 .006875008 13 F1 18,036,596 1.0435 17,284,711 3 6 .001009070 14 G1 101,284,247 1.0603 95,524,141 7 134 .002755324 15 G1 100,867,331 1.0228 98,618,822 6 57 .005009153 16 G1 103,114,579 1.0246 100,638,863 6 33 .013167861 17 G1 97,768,446 1.0639 91,896,274 5 16 .055957018 18 L1 11,903,331 0.9934 11,982,415 7 1,120 .017084198 19 L1 11,874,720 1.0569 11,235,424 9 198 .037879928 20 L1 12,936,939 1.0038 12,887,965 6 35 .000521964 21 L1 10,819,822 0.9835 11,001,344 2 3 .000349317 RANDOM TOTALS: 840,590,373 836,040,654 164 21,100 CATG D1 EXCEPTION VALUES: 32,688,510 34,932,834 TOTAL TEST VALUES (4): 873,278,883 870,973,488 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 43,548,674 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 827,424,814 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 873,278,883 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 914,522,162 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 893,117,498 (SEE ISD SUMMARY WORKSHEET) SOURCES: (1) SEE STRATIFIED CATEGORY WORKSHEET REPORTS PTS236, PTS430 (2) NUMBER OF PARCELS SAMPLED BY STAFF (3) TOTAL CATEGORY PARCELS FROM STRATIFICATION REPORT APPRAISAL ROLL, OR SELF-REPORT (4) INCLUDES ANY PARCELS IN A, B, C, D3, F1, G1, G2,OR L1 MARKED AS EXCEPTION PROPERTIES (5) UNSTUDIED CATEGORIES AND SUB-CATEGORIES WERE NOT INCLUDED IN THE CONFIDENCE INTERVAL VALUES
