DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:57:29 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-910/Plano ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 4,345,630,709 1.0147 4,282,675,381 62 28,088 2 A 4,345,667,800 1.0099 4,303,067,432 61 20,613 3 A 4,345,670,739 1.0217 4,253,372,555 62 14,651 4 A 4,345,641,947 1.0133 4,288,603,520 60 7,360 5 B 508,197,184 0.9966 509,930,949 7 206 6 B 513,754,267 0.8801 583,745,332 6 41 7 B 514,152,717 0.8669 593,093,456 8 29 8 B 496,043,865 0.9671 512,918,897 9 19 9 C 71,873,750 0.9304 77,250,376 7 973 10 C 71,968,657 1.0224 70,391,879 5 174 11 C 73,131,437 1.0440 70,049,269 11 55 12 C 70,354,232 0.9836 71,527,279 8 15 13 D3 292,828,653 0.9789 299,140,518 12 11,092 14 F1 1,341,722,631 0.9499 1,412,488,295 25 766 15 F1 1,337,059,046 0.8945 1,494,755,781 8 203 16 F1 1,358,974,158 0.9843 1,380,650,369 6 81 17 F1 1,315,953,317 0.9007 1,461,033,992 6 26 18 L1 484,491,422 0.9585 505,468,359 7 1,964 19 L1 488,051,522 1.0076 484,370,308 7 209 20 L1 492,843,697 0.9504 518,564,496 7 57 21 L1 469,458,634 1.0014 468,802,311 5 15 RANDOM TOTALS: 27,283,470,384 27,641,900,754 389 86,637 CATG D1 EXCEPTION VALUES: 1,951,806 1,808,699 TOTAL TEST VALUES (4): 27,285,422,190 27,643,709,453 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,382,185,473 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 26,261,523,980 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 27,285,422,190 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 29,025,894,926 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 27,901,712,003 (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
