DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:37:54 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-910/Lake Worth ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 60,578,028 1.0635 56,961,004 11 986 .048665446 2 A 60,633,897 1.0184 59,538,391 11 693 .013772708 3 A 60,708,100 0.9682 62,702,024 19 538 .001890065 4 A 60,347,989 1.0096 59,774,157 10 396 .000840954 5 B 54,669,007 1.0087 54,197,489 8 9 .002518835 6 F1 34,776,405 0.8461 41,102,003 8 91 .034705773 7 F1 34,727,703 0.9716 35,742,798 6 26 .028532726 8 F1 34,114,765 0.9330 36,564,593 6 9 .022189136 9 L1 12,695,930 1.1149 11,387,506 7 143 .018208393 10 L1 13,309,112 1.1187 11,896,945 8 21 .014880433 11 L1 15,299,728 1.0412 14,694,322 2 4 .005605990 RANDOM TOTALS: 441,860,664 444,561,232 96 2,916 CATG D1 EXCEPTION VALUES: 38,305 35,942 CATG F1 EXCEPTION VALUES: 30,112,820 31,292,403 CATG L1 EXCEPTION VALUES: 15,454,107 15,229,598 TOTAL TEST VALUES (4): 487,465,896 491,119,175 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 24,555,959 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 466,563,216 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 487,465,896 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 515,675,134 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 523,882,284 (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
