DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:04 2005 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 STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 52,435,620 0.9498 55,207,012 43 527 .036491884 2 A 52,415,673 0.9977 52,536,507 79 297 .002846587 3 A 52,627,411 1.0118 52,013,650 17 179 .000504389 4 A 52,040,448 0.9850 52,832,942 14 114 .010339967 5 C 5,562,854 0.8778 6,337,268 7 375 .060035449 6 C 3,748,405 0.8193 4,575,131 7 166 .044796234 7 C 4,629,147 0.9866 4,692,020 7 114 .003182937 8 C 4,573,912 0.9731 4,700,351 7 32 .015254682 9 D3 132,972,749 0.9270 143,444,174 30 2,933 .030002905 10 F1 4,169,820 1.0681 3,903,960 10 39 .008127910 11 F1 4,393,990 0.9412 4,668,498 7 17 .006653625 12 F1 4,611,467 1.0436 4,418,807 5 8 .003797523 13 F1 3,248,816 0.8485 3,828,893 2 3 .000704964 14 L1 2,689,728 0.9759 2,756,151 13 58 .002228432 15 L1 2,652,582 0.9851 2,692,703 5 8 .003689644 RANDOM TOTALS: 382,772,622 398,608,067 253 4,870 CATG D1 EXCEPTION VALUES: 6,704,165 5,937,269 CATG L1 EXCEPTION VALUES: 6,168,145 6,426,133 TOTAL TEST VALUES (4): 395,644,932 410,971,469 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 20,548,573 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 390,422,896 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 395,644,932 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 431,520,042 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 415,148,093 (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
