DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:21:47 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: W 220-907/Keller ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 1,277,748,401 1.0251 1,246,462,200 48 10,360 2 A 1,274,845,884 1.0128 1,258,734,088 51 7,212 3 A 1,274,291,898 1.0146 1,255,954,956 49 5,292 4 A 1,275,120,029 1.0151 1,256,152,132 48 3,358 5 F1 151,488,046 0.9149 165,578,802 8 203 6 F1 151,943,916 0.8795 172,761,701 6 60 7 F1 154,242,734 0.9340 165,142,113 5 18 RANDOM TOTALS: 5,559,680,908 5,520,785,992 215 26,503 CATG D1 EXCEPTION VALUES: 582,470 532,374 CATG F1 EXCEPTION VALUES: 126,385,394 131,548,416 TOTAL TEST VALUES (4): 5,686,648,772 5,652,866,782 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 282,643,339 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,370,223,443 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,686,648,772 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 5,935,510,121 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,587,206,238 (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
