DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:33:53 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 011/Bastrop VRSN: W 011-902/Elgin ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 94,296,143 0.9506 99,196,448 9 3,753 .096228966 2 A 94,324,609 0.9390 100,452,193 12 1,309 .016544883 3 A 94,254,741 0.9657 97,602,507 35 801 .008957943 4 A 94,198,043 0.9995 94,245,166 28 507 .008249686 5 D3 138,549,991 0.9725 142,467,857 23 93,665 .011558346 6 F1 10,914,078 0.8232 13,258,112 7 229 .012575029 7 F1 10,856,739 0.9783 11,097,556 7 77 .005386266 8 F1 11,377,422 0.9219 12,341,276 6 39 .023112052 9 F1 10,317,277 0.8636 11,946,824 4 8 .010454787 RANDOM TOTALS: 559,089,043 582,607,939 131 100,388 CATG D1 EXCEPTION VALUES: 8,258,405 9,744,395 TOTAL TEST VALUES (4): 567,347,448 592,352,334 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 29,617,617 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 562,734,717 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 567,347,448 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 621,969,951 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 654,056,836 (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
