DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:35:01 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 015/Bexar VRSN: W 015-909/Somerset ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 39,063,444 0.9944 39,283,431 14 1,020 .044910079 2 A 38,841,653 1.0076 38,548,683 10 597 .005498675 3 A 39,128,923 1.0363 37,758,297 14 435 .067454383 4 A 38,650,496 0.9434 40,969,362 14 272 .013128653 5 C 5,426,658 0.8931 6,076,204 7 620 .070462461 6 C 5,406,234 1.0200 5,300,229 7 278 .032257180 7 C 5,405,764 1.0812 4,999,782 7 195 .090139553 8 C 5,381,074 0.9665 5,567,588 9 131 .037368973 9 D3 38,991,822 0.9424 41,375,023 20 1,981 .018458294 RANDOM TOTALS: 216,296,068 219,878,599 102 5,529 CATG D1 EXCEPTION VALUES: 2,372,501 4,915,834 TOTAL TEST VALUES (4): 218,668,569 224,794,433 MARGIN OF ERROR PERCENT: 5.0000002 MARGIN OF ERROR VALUE: 11,239,722 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 213,554,711 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 218,668,569 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 236,034,155 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 233,040,910 (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
