DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:29:54 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 177/Nolan VRSN: W 177-902/Sweetwater ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 35,470,317 1.1136 31,851,937 9 1,790 .091187566 2 A 35,505,231 1.0121 35,080,754 9 863 .019978913 3 A 35,436,311 1.0548 33,595,289 9 511 .008172781 4 A 35,434,349 1.1043 32,087,611 8 270 .003466410 5 D3 32,737,698 1.0031 32,636,525 17 1,878 .004740210 6 F1 12,899,847 0.9579 13,466,799 8 263 .003800544 7 F1 13,061,818 1.0385 12,577,581 7 67 .029649830 8 F1 12,916,396 0.9869 13,087,847 5 18 .002252913 9 F1 12,299,579 1.0702 11,492,785 5 8 .042299477 10 L1 10,057,044 1.0183 9,876,308 7 222 .002047698 11 L1 10,064,125 0.9942 10,122,837 8 44 .003854330 12 L1 10,089,210 0.9803 10,291,962 10 14 .002895566 RANDOM TOTALS: 255,971,925 246,168,235 102 5,948 CATG J EXCEPTION VALUES: 33,758,108 35,932,532 CATG D1 EXCEPTION VALUES: 7,910,320 8,700,746 CATG L1 EXCEPTION VALUES: 9,788,019 10,302,270 TOTAL TEST VALUES (4): 307,428,372 301,103,783 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 15,055,189 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 286,048,594 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 307,428,372 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 316,158,972 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 416,023,367 (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
