DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:43:56 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 250/Wood VRSN: W 250-907/Winnsboro ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 29,995,253 0.9838 30,489,178 13 823 .024790795 2 A 29,974,504 0.9732 30,799,942 15 474 .018519723 3 A 29,917,400 0.8956 33,404,868 14 339 .019931576 4 A 29,940,385 0.9739 30,742,771 12 202 .008042448 5 D3 109,692,090 1.0053 109,113,787 39 4,881 .035491829 6 F1 7,763,266 0.7293 10,644,818 11 146 .382829920 7 F1 7,762,457 0.8510 9,121,571 8 52 .091267490 8 F1 8,121,464 0.8407 9,660,359 9 24 .066382457 9 F1 7,273,675 0.7920 9,183,933 7 9 .068190166 10 G1 4,293,280 1.0975 3,911,872 5 10 .039199572 11 G1 5,392,210 0.9156 5,889,264 3 5 .001775213 RANDOM TOTALS: 270,125,984 282,962,363 136 6,965 CATG D1 EXCEPTION VALUES: 15,178,150 9,772,703 CATG G1 EXCEPTION VALUES: 19,742,810 20,352,925 TOTAL TEST VALUES (4): 305,046,944 313,087,991 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 15,654,400 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 297,433,591 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 305,046,944 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 328,742,391 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 317,201,910 (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
