DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:15:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 194/Red River VRSN: W 194-905/Detroit ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,573,641 0.8943 3,996,020 7 185 .112868209 2 A 3,556,496 0.9877 3,600,786 7 99 .048640910 3 A 3,585,576 1.0803 3,319,056 6 68 .020138305 4 A 3,527,153 1.1384 3,098,342 7 38 .126534194 5 D3 25,653,350 0.9427 27,212,634 21 2,318 .060208295 RANDOM TOTALS: 39,896,216 41,226,838 48 2,708 CATG D1 EXCEPTION VALUES: 14,861,440 14,625,530 TOTAL TEST VALUES (4): 54,757,656 55,852,368 MARGIN OF ERROR PERCENT: 5.8289722 MARGIN OF ERROR VALUE: 3,255,619 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 52,596,749 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 54,757,656 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 59,107,987 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 49,348,263 (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
