DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:08:54 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 079/Fort Bend VRSN: W 079-907/Fort Bend ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,355,851,408 0.9587 3,500,418,700 56 29,286 .004850825 2 A 3,354,616,038 0.9663 3,471,609,270 54 20,390 .003795067 3 A 3,354,527,544 0.9511 3,526,997,733 57 14,598 .004592549 4 A 3,354,916,747 0.9616 3,488,890,128 57 8,265 .002801760 5 C 89,371,395 0.9022 99,059,405 43 1,184 .144271759 6 C 89,266,053 0.9705 91,979,447 9 249 .000934671 7 C 89,028,379 0.9716 91,630,691 7 82 .003727998 8 C 89,044,818 1.0444 85,259,305 6 21 .010334576 9 F1 397,318,105 1.0007 397,040,177 12 593 .011503476 10 F1 400,067,132 0.9980 400,868,870 7 166 .016695103 11 F1 403,472,105 0.9689 416,422,856 6 56 .003571741 12 F1 387,236,581 1.0042 385,616,990 5 14 .001033513 13 L1 138,312,736 1.0424 132,686,815 7 4,637 .043127727 14 L1 138,376,304 1.0589 130,679,294 7 499 .009657530 15 L1 138,347,412 0.9413 146,974,835 6 85 .010665930 16 L1 138,139,764 0.9768 141,420,725 5 23 .001489805 RANDOM TOTALS: 15,917,892,521 16,507,555,241 344 80,148 CATG D1 EXCEPTION VALUES: 5,502,980 5,002,874 TOTAL TEST VALUES (4): 15,923,395,501 16,512,558,115 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 825,627,906 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 15,686,930,209 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 15,923,395,501 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 17,338,186,021 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 16,762,100,165 (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
