DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:43:53 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 250/Wood VRSN: W 250-906/Alba-Golden ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 27,168,830 0.9433 28,801,898 15 548 .068923327 2 A 27,129,438 0.9696 27,980,031 18 309 .014991629 3 A 27,135,210 0.9460 28,684,154 17 203 .022507626 4 A 26,966,039 1.0169 26,517,887 17 110 .036690104 5 D3 56,105,947 1.0703 52,420,767 20 2,516 .047108885 6 F1 2,728,187 0.8581 3,179,335 7 55 .039294373 7 F1 2,711,442 0.8716 3,110,879 5 21 .023357030 8 F1 2,963,414 0.7564 3,917,787 5 12 .247749294 RANDOM TOTALS: 172,908,507 174,612,738 104 3,774 CATG D1 EXCEPTION VALUES: 5,725,300 3,718,401 CATG F1 EXCEPTION VALUES: 3,586,880 3,615,042 TOTAL TEST VALUES (4): 182,220,687 181,946,181 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 9,097,309 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 172,848,872 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 182,220,687 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 191,043,490 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 165,812,583 (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
