DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:46:02 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 069/Edwards VRSN: W 069-901/Rocksprings ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,486,180 0.9269 3,761,118 7 189 .014316882 2 A 3,487,919 0.8730 3,995,325 7 102 .022771598 3 A 3,524,292 0.8599 4,098,491 6 68 .040751423 4 A 3,436,436 0.9636 3,566,247 6 42 .011602252 5 D3 41,045,723 0.9142 44,897,969 56 0 .104539639 6 G1 27,877,877 0.8965 31,096,349 9 157 .093782837 7 G1 27,815,901 0.9820 28,325,765 9 60 .067956752 8 G1 27,996,456 0.9740 28,743,795 7 23 .005697213 9 G1 27,261,167 0.9968 27,348,683 4 8 .001868516 RANDOM TOTALS: 165,931,951 175,833,742 111 649 CATG J EXCEPTION VALUES: 13,173,808 13,098,399 CATG D1 EXCEPTION VALUES: 33,682,500 33,620,725 TOTAL TEST VALUES (4): 212,788,259 222,552,866 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 11,127,643 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 211,425,223 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 212,788,259 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 233,680,509 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 223,218,608 (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
