DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:16:16 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 110/Hockley VRSN: W 110-908/Whitharral ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 803,372 0.8538 940,937 7 41 .033942428 2 A 776,296 0.8861 876,082 5 18 .028949500 3 A 820,574 0.9114 900,345 6 13 .020076938 4 A 732,877 0.9801 747,757 5 7 .009808252 5 D3 3,569,273 0.9127 3,910,675 29 750 .055831961 6 G1 23,613,403 1.0684 22,101,650 20 42 .057702105 RANDOM TOTALS: 30,315,795 29,477,446 72 871 CATG J EXCEPTION VALUES: 542,400 460,458 CATG D1 EXCEPTION VALUES: 9,089,736 6,584,197 TOTAL TEST VALUES (4): 39,947,931 36,522,101 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,826,105 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 34,695,996 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 38,348,206 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 39,947,931 (OUTSIDE CONFIDENCE INTERVAL) VALUE ASSIGNED (6): 41,259,913 (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
