DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:35:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 018/Bosque VRSN: W 018-904/Valley Mills ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 11,117,438 0.9038 12,300,772 11 263 .023371198 2 A 11,072,833 0.9529 11,620,142 11 154 .016958742 3 A 11,105,289 0.9776 11,359,747 10 100 .010390981 4 A 11,003,683 1.0128 10,864,616 9 65 .007041361 5 D3 50,129,389 0.9807 51,115,926 22 2,216 .015033174 RANDOM TOTALS: 94,428,632 97,261,203 63 2,798 CATG J EXCEPTION VALUES: 6,897,291 6,959,962 CATG D1 EXCEPTION VALUES: 8,629,140 7,376,868 TOTAL TEST VALUES (4): 109,955,063 111,598,033 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 5,579,902 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 106,018,131 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 109,955,063 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 117,177,935 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 141,228,960 (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
