DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:25:19 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 247/Wilson VRSN: W 247-904/Poth ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 11,628,113 0.9691 11,998,878 9 291 .002547361 2 A 11,666,777 0.9020 12,934,343 8 170 .002035522 3 A 11,571,553 1.0138 11,414,039 8 119 .003696928 4 A 11,596,827 1.0367 11,186,290 8 79 .008513359 5 D3 45,872,191 0.9876 46,448,148 20 2,726 .013075835 RANDOM TOTALS: 92,335,461 93,981,698 53 3,385 CATG D1 EXCEPTION VALUES: 15,956,200 15,368,139 TOTAL TEST VALUES (4): 108,291,661 109,349,837 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 5,467,492 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 103,882,345 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 108,291,661 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 114,817,329 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 116,906,040 (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
