DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:08:59 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 079/Fort Bend VRSN: W 079-910/Stafford MSD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 101,965,384 0.9770 104,365,797 31 976 .002899605 2 A 101,885,258 0.9854 103,394,822 39 732 .004826299 3 A 102,004,651 0.9665 105,540,249 31 602 .001700387 4 A 101,816,097 0.9819 103,692,939 30 494 .003802740 5 B 131,997,840 1.0270 128,527,595 10 27 .009393643 6 F1 124,799,784 0.9251 134,904,101 10 227 .023025703 7 F1 126,008,641 0.9937 126,807,528 8 70 .004221970 8 F1 125,424,743 1.0018 125,199,384 7 28 .003851095 9 F1 121,641,123 0.9774 124,453,778 5 10 .001929141 10 L1 71,331,629 0.9868 72,285,802 7 888 .000468785 11 L1 71,967,277 0.9770 73,661,491 7 92 .001904404 12 L1 75,465,647 0.9568 78,872,959 7 30 .008627371 13 L1 66,496,030 0.9346 71,149,187 4 9 .012625562 RANDOM TOTALS: 1,322,804,104 1,352,855,632 196 4,185 CATG D1 EXCEPTION VALUES: 55,380 59,732 TOTAL TEST VALUES (4): 1,322,859,484 1,352,915,364 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 67,645,768 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,285,269,596 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,322,859,484 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,420,561,132 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,592,273,351 (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
