DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:01 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 070/Ellis VRSN: W 070-911/Red Oak ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 192,053,974 0.9988 192,284,716 54 1,826 .007353107 2 A 191,888,534 1.0022 191,467,306 57 1,402 .002688029 3 A 191,931,719 1.0211 187,965,644 55 1,110 .014755717 4 A 191,890,899 1.0205 188,036,158 55 703 .002453916 5 F1 12,924,327 0.9518 13,578,826 8 90 .041109810 6 F1 13,160,563 0.8743 15,052,686 9 34 .063918999 7 F1 12,836,772 0.8043 15,960,179 8 14 .087976524 8 F1 12,045,615 0.9508 12,668,926 4 5 .041351722 RANDOM TOTALS: 818,732,403 817,014,441 250 5,184 CATG D1 EXCEPTION VALUES: 1,523,850 1,618,779 TOTAL TEST VALUES (4): 820,256,253 818,633,220 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 40,931,661 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 777,701,559 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 820,256,253 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 859,564,881 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 901,988,672 (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
