DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:55:32 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 109/Hill VRSN: W 109-903/Covington ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,208,112 1.0311 3,111,349 8 80 .039943789 2 A 3,157,549 1.0310 3,062,608 6 46 .001124809 3 A 3,236,894 1.0348 3,128,038 10 33 .010558015 4 A 3,047,873 1.0712 2,845,288 6 22 .001339227 5 D3 32,353,910 0.9950 32,516,492 30 1,126 .012707358 RANDOM TOTALS: 45,004,338 44,663,775 60 1,307 CATG D1 EXCEPTION VALUES: 2,881,179 2,489,305 TOTAL TEST VALUES (4): 47,885,517 47,153,080 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 2,357,654 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 44,795,426 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 47,885,517 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 49,510,734 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 41,155,666 (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
