DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:41 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 044/Collingsworth VRSN: W 044-904/Samnorwood ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 D3 3,471,220 0.9035 3,841,970 28 986 .043012351 2 G1 3,874,010 1.0749 3,604,065 14 74 .020095705 3 G1 3,924,070 1.0467 3,748,992 12 39 .011650424 4 G1 3,894,970 1.0559 3,688,768 11 26 .008436663 5 G1 3,706,990 1.1591 3,198,162 8 14 .008999752 RANDOM TOTALS: 18,871,260 18,081,957 73 1,139 CATG J EXCEPTION VALUES: 1,271,545 1,273,307 CATG D1 EXCEPTION VALUES: 10,823,610 10,493,652 TOTAL TEST VALUES (4): 30,966,415 29,848,916 MARGIN OF ERROR PERCENT: 5.0000007 MARGIN OF ERROR VALUE: 1,492,446 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 28,356,470 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 30,966,415 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 31,341,362 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 35,344,390 (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
