DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:51 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 122/Jeff Davis VRSN: W 122-901/Fort Davis ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 13,451,329 0.9629 13,969,601 11 347 .063680057 2 A 13,465,871 1.0133 13,289,126 11 183 .005792660 3 A 13,536,598 0.8986 15,064,097 13 129 .012024640 4 A 13,349,764 0.9680 13,791,079 15 74 .009836791 5 C 2,246,261 0.9498 2,364,983 7 337 .048519448 6 C 2,676,731 0.9376 2,854,875 7 216 .055564648 7 C 1,808,925 0.7396 2,445,815 6 82 .083995197 8 C 2,241,849 0.7885 2,843,182 6 47 .102884127 9 D3 16,558,670 1.0079 16,428,882 20 2,340 .029093551 10 F1 2,378,030 0.9621 2,471,708 6 35 .001454493 11 F1 2,311,347 0.9972 2,317,837 8 16 .001168291 12 F1 2,440,388 1.0100 2,416,226 5 9 .001469261 13 F1 2,222,955 0.9692 2,293,598 3 4 .000114024 RANDOM TOTALS: 88,688,718 92,551,009 118 3,819 CATG J EXCEPTION VALUES: 8,309,678 8,828,443 CATG D1 EXCEPTION VALUES: 13,409,281 13,477,247 TOTAL TEST VALUES (4): 110,407,677 114,856,699 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 5,742,835 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 109,113,864 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 110,407,677 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 120,599,534 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 115,450,599 (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
