DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:40 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-907/Tioga ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,130,480 1.0060 7,087,952 11 135 .007113915 2 A 7,126,666 1.0311 6,911,712 10 83 .007746422 3 A 7,161,887 1.0793 6,635,678 10 62 .003716130 4 A 7,047,048 0.9877 7,134,806 9 33 .001519942 5 D3 17,054,574 1.0124 16,845,687 21 699 .041893794 6 F1 3,184,271 0.9221 3,453,282 21 31 .185459832 RANDOM TOTALS: 48,704,926 48,069,117 82 1,043 CATG J EXCEPTION VALUES: 2,152,770 2,190,844 CATG D1 EXCEPTION VALUES: 2,380,931 1,691,140 TOTAL TEST VALUES (4): 53,238,627 51,951,101 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 2,597,555 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 49,353,546 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 53,238,627 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 54,548,656 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 50,654,717 (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
