DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:47:49 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 074/Fannin VRSN: W 074-912/Trenton ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 8,837,376 0.7877 11,219,215 15 211 .021373852 2 A 8,798,850 0.9115 9,653,154 17 112 .068910844 3 A 8,866,050 0.9984 8,880,258 15 70 .028340853 4 A 8,668,185 1.0728 8,079,964 20 47 .012536712 5 D3 41,845,272 0.8633 48,471,299 26 1,596 .108930600 6 L1 1,278,487 1.0008 1,277,465 15 40 .024019401 7 L1 1,413,546 1.0803 1,308,475 8 10 .016892076 RANDOM TOTALS: 79,707,766 88,889,830 116 2,086 CATG J EXCEPTION VALUES: 3,355,360 3,246,134 CATG D1 EXCEPTION VALUES: 2,192,589 3,256,129 CATG L1 EXCEPTION VALUES: 2,552,550 2,383,737 TOTAL TEST VALUES (4): 87,808,265 97,775,830 MARGIN OF ERROR PERCENT: 6.5029220 MARGIN OF ERROR VALUE: 6,358,286 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 87,808,265 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 91,417,544 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 104,134,116 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 85,024,693 (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
