DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:33:08 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 005/Archer VRSN: W 005-903/Megargel ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 692,122 0.9697 713,749 8 56 .000937622 2 A 665,470 0.9731 683,866 8 30 .004511525 3 A 686,652 0.8611 797,413 7 15 .092041990 4 A 657,208 0.8751 751,009 4 7 .008768462 5 D3 1,910,280 0.8599 2,221,514 20 773 .065865706 6 G1 931,620 1.0428 893,383 6 32 .060337524 7 G1 1,048,590 1.0306 1,017,456 4 10 .008784764 8 G1 1,218,640 1.0397 1,172,107 3 5 .022566504 RANDOM TOTALS: 7,810,582 8,250,497 60 928 CATG J EXCEPTION VALUES: 1,280,000 1,029,140 CATG D1 EXCEPTION VALUES: 8,538,510 8,230,715 CATG G1 EXCEPTION VALUES: 522,030 531,902 TOTAL TEST VALUES (4): 18,151,122 18,042,254 MARGIN OF ERROR PERCENT: 5.0000017 MARGIN OF ERROR VALUE: 902,113 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 17,140,141 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 18,151,122 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 18,944,367 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 19,965,083 (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
