DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:28:46 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 174/Nacogdoches VRSN: W 174-908/Central Heights ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,316,455 0.9951 7,352,482 8 217 .007691525 2 A 7,277,645 1.0381 7,010,543 8 108 .006170572 3 A 7,305,614 1.0309 7,086,637 5 60 .012474186 4 A 7,212,225 1.0673 6,757,449 6 33 .009220065 5 D3 35,457,230 0.8300 42,719,554 16 1,714 .257908777 6 G1 15,225,117 0.9946 15,307,779 20 46 .002094101 RANDOM TOTALS: 79,794,286 86,234,444 63 2,178 CATG D1 EXCEPTION VALUES: 7,777,720 5,881,533 TOTAL TEST VALUES (4): 87,572,006 92,115,977 MARGIN OF ERROR PERCENT: 11.7751701 MARGIN OF ERROR VALUE: 10,846,813 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 81,269,164 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 87,572,006 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 102,962,790 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 82,196,142 (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
