DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:36:11 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 208/Scurry VRSN: W 208-903/Ira ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,309,239 0.9820 1,333,237 6 48 .007999475 2 A 1,235,839 0.9671 1,277,881 5 24 .002030038 3 A 1,318,452 0.9847 1,338,938 7 19 .003820410 4 A 1,219,814 0.9862 1,236,883 5 12 .000493773 5 D3 5,836,194 1.0117 5,768,700 12 762 .012135326 6 G1 21,502,996 1.0203 21,075,170 6 88 .001053004 7 G1 22,514,265 0.9566 23,535,715 6 28 .015674518 8 G1 21,159,510 1.0589 19,982,538 4 12 .010075212 9 G1 20,309,800 1.0020 20,269,261 3 5 .004753865 RANDOM TOTALS: 96,406,109 95,818,323 54 998 CATG J EXCEPTION VALUES: 3,548,684 3,881,608 CATG D1 EXCEPTION VALUES: 5,694,055 6,800,659 TOTAL TEST VALUES (4): 105,648,848 106,500,590 MARGIN OF ERROR PERCENT: 5.0000005 MARGIN OF ERROR VALUE: 5,325,030 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 101,175,560 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 105,648,848 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 111,825,620 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 111,567,243 (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
