DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:43:22 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-903/Carrollton-Farmers Branch ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,194,223,914 0.9974 1,197,336,990 47 10,179 .001567725 2 A 1,192,045,154 0.9955 1,197,433,605 49 7,963 .001183865 3 A 1,194,030,545 0.9922 1,203,417,199 47 6,064 .001682839 4 A 1,192,242,973 0.9877 1,207,090,182 49 3,770 .001057482 5 B 404,616,596 0.9461 427,667,896 6 63 .005643483 6 B 413,564,421 0.9454 437,449,144 7 36 .002446519 7 B 407,374,062 0.9448 431,174,917 5 25 .016411433 8 B 398,069,148 1.0072 395,223,539 5 16 .000114234 9 C 84,896,119 0.8626 98,418,872 7 416 .037053123 10 C 84,760,253 1.0128 83,689,033 7 93 .006416861 11 C 85,162,074 1.0306 82,633,489 7 42 .012193638 12 C 84,426,374 0.9809 86,070,317 7 14 .011382931 13 F1 853,358,081 1.0208 835,969,907 17 651 .003072277 14 F1 858,278,762 0.9728 882,276,688 10 219 .003499434 15 F1 849,921,149 0.9792 867,975,030 10 89 .000742750 16 F1 850,632,246 0.9339 910,838,683 8 30 .030553705 17 L1 506,561,392 1.0463 484,145,457 7 1,081 .008045535 18 L1 507,000,183 1.0239 495,165,722 7 192 .001583345 19 L1 515,320,545 0.9135 564,116,634 7 64 .063107796 20 L1 497,701,761 1.0178 488,997,604 7 16 .003834266 RANDOM TOTALS: 12,174,185,752 12,377,090,908 316 31,023 CATG D1 EXCEPTION VALUES: 24,857 17,970 TOTAL TEST VALUES (4): 12,174,210,609 12,377,108,878 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 618,855,444 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 11,758,253,434 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 12,174,210,609 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 12,995,964,322 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 12,415,723,977 (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
