DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:04:01 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-913/Pottsboro ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 76,723,018 1.0372 73,971,286 37 1,510 2 A 76,778,545 0.9416 81,540,511 37 726 3 A 76,818,027 0.9863 77,885,052 38 449 4 A 76,606,266 0.9853 77,749,179 17 243 5 D3 34,059,425 0.8801 38,699,494 17 1,784 6 F1 9,624,715 1.0112 9,518,112 8 75 7 F1 9,327,528 1.0180 9,162,601 6 16 8 F1 12,448,140 1.0992 11,324,727 4 6 RANDOM TOTALS: 372,385,664 379,850,962 164 4,809 CATG D1 EXCEPTION VALUES: 3,390,655 2,689,782 CATG F1 EXCEPTION VALUES: 5,746,853 7,023,302 TOTAL TEST VALUES (4): 381,523,172 389,564,046 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 19,478,202 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 370,085,844 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 381,523,172 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 409,042,248 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 443,470,394 (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
