DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:37 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 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 2,309,775,137 1.0110 2,284,644,052 101 25,391 2 A 2,296,090,097 1.0183 2,254,826,767 100 19,032 3 A 2,304,170,977 1.0228 2,252,806,978 100 14,391 4 A 2,300,106,759 1.0124 2,271,934,768 99 8,789 5 B 355,567,361 0.8061 441,095,845 24 2,385 6 B 356,928,108 0.9474 376,744,889 7 85 7 B 356,046,068 0.8657 411,281,123 6 47 8 B 352,561,751 0.9445 373,278,720 8 20 9 F1 944,967,066 0.8024 1,177,675,805 29 1,589 10 F1 946,646,017 0.8651 1,094,261,955 17 464 11 F1 945,738,836 0.9310 1,015,831,188 7 180 12 F1 940,717,545 0.8822 1,066,331,382 7 66 13 L1 554,919,918 1.0865 510,740,836 8 2,592 14 L1 556,149,948 1.0503 529,515,327 5 371 15 L1 559,847,645 1.0202 548,762,640 9 117 16 L1 547,983,763 1.0975 499,301,834 7 30 RANDOM TOTALS: 16,628,216,996 17,109,034,109 534 75,549 CATG D1 EXCEPTION VALUES: 116,256 149,798 TOTAL TEST VALUES (4): 16,628,333,252 17,109,183,907 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 855,459,195 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 16,253,724,712 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 16,628,333,252 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 17,964,643,102 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 17,476,885,915 (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
