DATE: 01/27/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:02:54 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 234/Van Zandt VRSN: W 234-902/Canton ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 49,632,280 0.8355 59,404,285 17 815 .046347364 2 A 49,642,516 0.9158 54,206,722 12 539 .038403048 3 A 49,758,344 0.9091 54,733,631 20 380 .019019544 4 A 49,312,360 0.9526 51,766,072 11 224 .010666329 5 D3 156,155,990 0.9997 156,202,851 58 5,697 .063594428 6 F1 24,761,464 0.8155 30,363,536 10 164 .044770163 7 F1 24,814,985 0.9259 26,800,934 7 61 .004617867 8 F1 25,389,527 0.9757 26,021,858 8 26 .043888423 9 F1 23,986,385 1.0104 23,739,494 5 7 .016457611 10 L1 5,846,593 1.0403 5,620,103 7 184 .002227760 11 L1 5,911,596 1.0551 5,602,877 6 59 .003472155 12 L1 5,823,169 0.9834 5,921,465 6 24 .001557288 13 L1 5,644,391 1.0460 5,396,167 5 10 .007523246 RANDOM TOTALS: 476,679,600 505,779,995 172 8,190 CATG D1 EXCEPTION VALUES: 9,492,640 6,141,823 TOTAL TEST VALUES (4): 486,172,240 511,921,818 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 25,596,091 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 486,172,240 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 486,325,727 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 537,517,909 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 470,171,786 (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
