DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:36:41 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 212/Smith VRSN: W 212-901/Arp ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 36,581,911 1.0637 34,391,192 12 599 .126847178 2 A 36,508,998 1.0194 35,814,202 11 252 .033017585 3 A 36,787,295 0.9867 37,283,161 16 154 .006164276 4 A 36,285,003 1.0198 35,580,509 6 80 .005070037 5 D3 37,059,700 1.0072 36,794,778 29 2,600 .074858498 6 G1 26,759,385 1.1260 23,764,996 6 57 .033576817 7 G1 26,824,654 0.9787 27,408,454 6 28 .018431877 8 G1 27,555,281 1.1242 24,511,013 5 23 .010906160 9 G1 25,723,757 0.9687 26,554,926 5 15 .016585420 RANDOM TOTALS: 290,085,984 282,103,231 96 3,808 CATG D1 EXCEPTION VALUES: 6,373,639 4,878,565 TOTAL TEST VALUES (4): 296,459,623 286,981,796 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 14,349,090 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 272,632,706 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 296,459,623 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 301,330,886 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 313,729,765 (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
