DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:59:21 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-922/Coppell ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 679,096,435 0.9810 692,249,169 50 3,914 2 A 678,840,982 0.9796 692,977,728 49 2,743 3 A 679,058,048 0.9846 689,679,106 50 2,146 4 A 678,987,361 0.9886 686,817,076 49 1,446 5 F1 392,377,389 1.0024 391,437,938 12 141 6 F1 387,220,953 0.8113 477,284,547 9 56 7 F1 404,896,873 0.8976 451,088,317 8 32 8 F1 375,970,239 1.0253 366,692,908 6 17 9 L1 296,193,898 1.0435 283,846,572 7 248 10 L1 302,788,202 0.9037 335,053,892 7 57 11 L1 306,578,518 0.9945 308,274,025 8 20 12 L1 277,529,478 1.0747 258,239,023 5 7 RANDOM TOTALS: 5,459,538,376 5,633,640,301 260 10,827 CATG D1 EXCEPTION VALUES: 191,923 168,576 TOTAL TEST VALUES (4): 5,459,730,299 5,633,808,877 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 281,690,444 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,352,118,433 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,459,730,299 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 5,915,499,321 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 5,890,895,004 (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
