DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:42 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 246/Williamson VRSN: W 246-902/Florence ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 23,624,486 1.0526 22,443,935 7 415 .013123526 2 A 23,595,812 0.9588 24,609,733 8 263 .022003332 3 A 23,532,028 1.0033 23,454,628 7 171 .010573931 4 A 23,520,132 0.9613 24,467,005 8 102 .034456438 5 D3 69,888,277 0.9388 74,444,266 20 1,757 .039028248 RANDOM TOTALS: 164,160,735 169,419,567 50 2,708 CATG D1 EXCEPTION VALUES: 4,515,704 4,400,213 TOTAL TEST VALUES (4): 168,676,439 173,819,780 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 8,690,989 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 165,128,791 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 168,676,439 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 182,510,769 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 189,879,181 (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
