DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:37:57 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 028/Caldwell VRSN: W 028-902/Lockhart ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 87,004,655 0.9834 88,473,312 6 1,529 .031055814 2 A 86,689,278 0.9365 92,567,302 9 953 .046372517 3 A 86,853,764 0.9737 89,199,717 20 726 .005574881 4 A 86,668,849 0.9750 88,891,127 21 500 .006553558 5 D3 222,254,845 0.9283 239,421,356 53 7,059 .043988813 6 F1 14,276,856 1.0071 14,176,205 7 203 .057306869 7 F1 14,207,915 0.9105 15,604,519 8 85 .025532955 8 F1 14,472,644 0.9278 15,598,883 6 38 .031004402 9 F1 13,834,154 1.0273 13,466,518 5 14 .049903680 RANDOM TOTALS: 626,262,960 657,398,939 135 11,107 CATG J EXCEPTION VALUES: 14,001,700 13,782,037 CATG D1 EXCEPTION VALUES: 13,429,185 15,345,181 TOTAL TEST VALUES (4): 653,693,845 686,526,157 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 34,326,308 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 652,199,849 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 653,693,845 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 720,852,465 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 691,340,618 (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
