DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:57:19 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-903/Celina ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 45,414,569 0.9655 47,037,358 25 554 2 A 45,595,586 1.0267 44,409,843 28 316 3 A 45,589,793 1.0520 43,336,305 10 190 4 A 45,243,063 0.9786 46,232,437 7 122 5 D3 128,794,418 0.9922 129,806,912 12 57,094 RANDOM TOTALS: 310,637,429 310,822,855 82 58,276 CATG D1 EXCEPTION VALUES: 6,738,496 5,903,479 TOTAL TEST VALUES (4): 317,375,925 316,726,334 MARGIN OF ERROR PERCENT: 5.9360059 MARGIN OF ERROR VALUE: 18,800,894 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 297,925,440 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 317,375,925 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 335,527,228 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 383,585,215 (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
