DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:40:45 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 234/Van Zandt VRSN: W 234-905/Martins Mill ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,560,593 0.9529 3,736,586 6 71 .003019822 2 A 3,564,582 0.9537 3,737,634 6 42 .004082604 3 A 3,555,116 1.0167 3,496,721 7 28 .004719333 4 A 3,442,661 1.0058 3,422,809 6 19 .004877219 5 D3 48,397,510 1.1275 42,924,621 20 1,961 .076214201 RANDOM TOTALS: 62,520,462 57,318,371 45 2,121 CATG D1 EXCEPTION VALUES: 4,200,760 2,773,888 TOTAL TEST VALUES (4): 66,721,222 60,092,259 MARGIN OF ERROR PERCENT: 8.8788192 MARGIN OF ERROR VALUE: 5,335,483 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 54,756,776 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 65,427,742 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 66,721,222 (OUTSIDE CONFIDENCE INTERVAL) VALUE ASSIGNED (6): 67,318,315 (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
