DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:40:48 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 234/Van Zandt VRSN: W 234-906/Van ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 44,092,593 0.8852 49,810,882 9 947 .062160717 2 A 44,082,746 0.9994 44,109,212 9 598 .030339227 3 A 44,087,143 0.9207 47,884,374 9 423 .022968196 4 A 43,954,561 1.0187 43,147,699 11 272 .014198233 5 D3 189,800,060 1.0284 184,558,596 67 7,471 .133870232 6 G1 8,565,372 1.1053 7,749,364 6 46 .029924721 7 G1 8,850,857 1.0123 8,743,314 5 15 .006468322 8 G1 9,898,151 0.9575 10,337,495 3 6 .005818948 RANDOM TOTALS: 393,331,483 396,340,936 119 9,778 CATG D1 EXCEPTION VALUES: 13,249,720 9,138,647 CATG G1 EXCEPTION VALUES: 18,987,089 18,310,180 TOTAL TEST VALUES (4): 425,568,292 423,789,763 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 21,189,488 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 402,600,275 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 425,568,292 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 444,979,251 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 411,344,414 (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
