DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:40 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 158/Matagorda VRSN: W 158-906/Van Vleck ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 42,499,700 0.8225 51,671,368 18 1,156 .112650945 2 A 42,523,072 0.8043 52,869,666 16 601 .480400590 3 A 42,504,366 0.9552 44,497,871 15 407 .017025648 4 A 42,407,579 0.9108 46,560,803 18 245 .022552752 5 C 7,959,315 0.6234 12,767,589 10 2,611 .087686562 6 C 4,794,589 0.5958 8,047,313 16 538 .377859159 7 C 10,861,339 0.5638 19,264,525 19 488 1.008892208 8 C 1,218,759 0.7246 1,681,975 5 17 .298286576 9 D3 24,842,339 0.6001 41,396,999 15 3,006 1.282988918 10 G1 11,154,660 0.3761 29,658,761 5 14 1.888016296 11 G1 10,722,320 1.0620 10,096,347 3 5 .022966687 12 G1 11,155,500 0.9981 11,176,736 2 3 .000464008 RANDOM TOTALS: 252,643,538 329,689,953 142 9,091 CATG J EXCEPTION VALUES: 13,542,279 13,596,862 CATG D1 EXCEPTION VALUES: 16,593,730 16,518,183 CATG G1 EXCEPTION VALUES: 25,331,833 25,029,183 TOTAL TEST VALUES (4): 308,111,380 384,834,181 MARGIN OF ERROR PERCENT: 11.2101685 MARGIN OF ERROR VALUE: 43,140,560 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 308,111,380 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 341,693,621 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 427,974,741 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 325,459,943 (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
