DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:28 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-917/Blue Ridge ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 9,954,631 1.0390 9,580,973 9 225 .010533720 2 A 9,843,754 0.9215 10,682,316 7 139 .025204548 3 A 9,953,865 1.0385 9,584,848 6 106 .004286540 4 A 9,836,722 0.9776 10,062,113 10 72 .006675491 5 D3 48,211,972 0.9044 53,308,240 22 2,179 .059662325 RANDOM TOTALS: 87,800,944 93,218,490 54 2,721 CATG J EXCEPTION VALUES: 7,116,355 7,346,978 CATG D1 EXCEPTION VALUES: 4,251,107 3,720,427 TOTAL TEST VALUES (4): 99,168,406 104,285,895 MARGIN OF ERROR PERCENT: 5.5334233 MARGIN OF ERROR VALUE: 5,770,580 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 98,515,315 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 99,168,406 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 110,056,475 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 96,498,831 (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
