DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:34:47 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 015/Bexar VRSN: W 015-901/Alamo Heights ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 650,976,885 0.9263 702,771,116 39 3,827 .005916960 2 A 651,037,574 0.9783 665,478,457 36 2,044 .001368943 3 A 650,229,192 0.9563 679,942,687 35 1,281 .007777344 4 A 649,317,561 0.9698 669,537,596 43 650 .010754860 5 B 45,318,876 0.9343 48,505,701 10 200 .009462016 6 B 46,321,688 0.9363 49,473,126 5 39 .010463987 7 B 51,061,394 1.0330 49,430,197 3 4 .003894438 8 F1 179,541,804 0.8520 210,729,817 7 215 .017992101 9 F1 182,378,705 0.8671 210,331,801 7 35 .108554562 10 F1 180,097,391 0.8963 200,934,275 5 13 .019594174 11 L1 53,747,024 1.0177 52,812,247 7 561 .075877553 12 L1 54,494,120 1.0291 52,953,182 7 104 .034905593 13 L1 53,065,626 1.0516 50,461,797 5 23 .007058342 14 L1 53,195,280 1.0204 52,131,791 4 7 .000825063 RANDOM TOTALS: 3,500,783,120 3,695,493,790 213 9,003 CATG B EXCEPTION VALUES: 56,750,400 57,648,950 CATG F1 EXCEPTION VALUES: 186,427,402 168,540,749 TOTAL TEST VALUES (4): 3,743,960,922 3,921,683,489 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 196,084,174 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 3,725,599,315 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 3,743,960,922 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 4,117,767,663 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 3,475,115,859 (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
