DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:38:06 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 028/Caldwell VRSN: W 028-906/Prairie Lea ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,479,478 0.8928 3,897,265 11 93 .024528630 2 A 3,431,244 0.9782 3,507,712 10 54 .040729274 3 A 3,439,330 0.9072 3,791,149 9 37 .039524991 4 A 3,414,645 0.9383 3,639,183 9 25 .008946448 5 D3 16,648,734 0.9796 16,995,441 13 865 .043319606 6 G1 5,655,520 0.9943 5,687,941 2 3 .000265404 RANDOM TOTALS: 36,068,951 37,518,691 54 1,077 CATG J EXCEPTION VALUES: 1,483,668 1,370,116 CATG D1 EXCEPTION VALUES: 1,410,447 1,599,842 CATG G1 EXCEPTION VALUES: 16,995,940 16,844,364 TOTAL TEST VALUES (4): 55,959,006 57,333,013 MARGIN OF ERROR PERCENT: 5.0000006 MARGIN OF ERROR VALUE: 2,866,651 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 54,466,362 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 55,959,006 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 60,199,664 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 64,717,923 (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
