DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:43:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-909/Garland ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,205,659,590 0.9853 2,238,566,518 41 22,883 .003952060 2 A 2,203,029,806 1.0046 2,192,942,272 49 17,686 .004077222 3 A 2,203,848,329 0.9875 2,231,745,143 48 14,153 .002870099 4 A 2,204,279,249 0.9920 2,222,055,695 49 9,430 .003153962 5 B 137,127,737 0.9972 137,512,773 48 902 .001494177 6 B 139,330,711 0.9262 150,432,640 7 54 .025761909 7 B 139,205,574 0.8731 159,438,293 5 19 .026541086 8 B 132,791,404 0.9413 141,072,351 4 9 .011575391 9 F1 428,765,037 0.9917 432,353,572 13 1,163 .006699363 10 F1 432,098,094 0.9684 446,197,949 9 349 .007782246 11 F1 426,305,585 0.9371 454,920,057 8 124 .009031526 12 F1 426,508,638 0.9451 451,284,137 6 46 .004638242 13 L1 208,750,188 1.0658 195,862,439 7 1,233 .016439074 14 L1 209,479,999 1.0355 202,298,406 7 171 .002390301 15 L1 217,201,867 1.0293 211,019,010 7 48 .002077482 16 L1 199,713,593 1.0294 194,009,708 7 9 .007600105 RANDOM TOTALS: 11,914,095,401 12,061,710,963 315 68,279 CATG D1 EXCEPTION VALUES: 543,984 555,737 TOTAL TEST VALUES (4): 11,914,639,385 12,062,266,700 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 603,113,335 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 11,459,153,365 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 11,914,639,385 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 12,665,380,035 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 12,144,066,542 (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
