DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:28:48 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 174/Nacogdoches VRSN: W 174-909/Martinsville ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,531,804 1.0090 2,509,221 6 61 .012251237 2 A 2,470,524 1.0301 2,398,334 6 36 .027901907 3 A 2,503,546 0.9189 2,724,503 7 26 .021220028 4 A 2,493,634 1.0137 2,459,933 5 15 .004983566 5 D3 20,112,160 0.9616 20,915,308 27 1,024 .012723493 RANDOM TOTALS: 30,111,668 31,007,299 51 1,162 CATG D1 EXCEPTION VALUES: 6,919,180 6,160,057 TOTAL TEST VALUES (4): 37,030,848 37,167,356 MARGIN OF ERROR PERCENT: 5.0000005 MARGIN OF ERROR VALUE: 1,858,368 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 35,308,988 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 37,030,848 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 39,025,724 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 31,294,311 (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
