DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:28:36 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 174/Nacogdoches VRSN: W 174-904/Nacogdoches ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 191,836,284 0.9581 200,225,743 48 3,742 .023534563 2 A 191,718,670 0.9661 198,445,989 67 1,974 .017280946 3 A 191,877,720 1.0021 191,475,621 47 1,271 .008983138 4 A 191,579,644 0.9978 192,002,049 21 723 .004811008 5 B 20,600,119 0.9545 21,582,105 6 111 .002209082 6 B 21,389,310 0.9037 23,668,596 7 18 .018820975 7 B 21,319,282 0.9567 22,284,187 3 8 .001492031 8 D3 120,629,270 0.8705 138,574,693 20 4,407 .125786666 9 F1 59,524,662 0.8070 73,760,424 10 439 .267395586 10 F1 59,770,104 0.8968 66,648,198 9 155 .021148725 11 F1 59,735,458 0.9776 61,104,192 6 62 .002582801 12 F1 58,787,294 0.9457 62,162,730 6 17 .001685533 13 L1 33,701,976 0.9448 35,671,016 7 515 .028795131 14 L1 34,049,023 0.9622 35,386,638 7 117 .014139311 15 L1 33,258,749 0.9146 36,364,257 6 37 .040177809 16 L1 33,445,462 1.0111 33,078,293 3 7 .004146419 RANDOM TOTALS: 1,323,223,027 1,392,434,731 273 13,603 CATG D1 EXCEPTION VALUES: 20,153,110 17,088,342 CATG B EXCEPTION VALUES: 19,627,200 19,982,091 TOTAL TEST VALUES (4): 1,363,003,337 1,429,505,164 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 71,475,258 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,358,029,906 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,363,003,337 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,500,980,422 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,479,424,391 (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
