DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:21:12 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: P 220-901/Arlington ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 2,309,811,887 1.0110 2,284,680,403 101 25,391 2 A 2,296,126,630 1.0183 2,254,862,644 100 19,032 3 A 2,304,207,639 1.0228 2,252,842,823 100 14,391 4 A 2,300,143,356 1.0124 2,271,970,917 99 8,789 5 B 357,107,346 0.8061 443,006,260 24 2,385 6 B 358,473,986 0.9474 378,376,595 7 85 7 B 357,588,127 0.8657 413,062,408 6 47 8 B 354,088,718 0.9445 374,895,413 8 20 9 F1 949,661,332 0.8024 1,183,526,087 29 1,589 10 F1 951,348,623 0.8651 1,099,697,865 17 464 11 F1 950,436,936 0.9310 1,020,877,482 7 180 12 F1 945,390,701 0.8822 1,071,628,543 7 66 13 L1 563,248,105 1.0865 518,405,987 8 2,592 14 L1 564,496,596 1.0503 537,462,245 5 371 15 L1 568,249,787 1.0202 556,998,419 9 117 16 L1 556,207,853 1.0975 506,795,310 7 30 RANDOM TOTALS: 16,686,587,622 17,169,089,401 534 75,549 CATG D1 EXCEPTION VALUES: 117,464 151,643 TOTAL TEST VALUES (4): 16,686,705,086 17,169,241,044 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 858,462,052 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 16,310,778,992 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 16,686,705,086 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 18,027,703,096 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 17,568,985,252 (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
