DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:12 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-907/McKinney ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,082,742,749 0.9951 1,088,074,313 81 7,518 .003160910 2 A 1,080,981,711 1.0026 1,078,178,447 79 5,677 .004422159 3 A 1,081,839,566 0.9773 1,106,967,734 80 4,130 .009142782 4 A 1,081,724,745 0.9744 1,110,144,443 76 2,335 .006857926 5 B 65,979,320 0.9640 68,443,278 6 55 .001162295 6 B 61,536,382 0.8353 73,669,798 4 7 .055205039 7 B 85,125,563 0.9632 88,377,869 3 5 .000003516 8 F1 193,811,153 0.9798 197,806,851 11 336 .006086230 9 F1 194,881,936 0.8791 221,683,467 9 99 .020815360 10 F1 192,317,699 0.8666 221,922,108 6 38 .027192560 11 F1 193,285,901 0.9249 208,980,323 5 12 .007732756 12 L1 172,158,095 0.9676 177,922,794 8 562 .002396445 13 L1 187,017,564 0.8381 223,144,689 6 40 .024529909 14 L1 220,797,872 0.9741 226,668,588 5 7 .000496182 RANDOM TOTALS: 5,894,200,256 6,091,984,702 379 20,821 CATG D1 EXCEPTION VALUES: 5,001,839 4,477,266 CATG B EXCEPTION VALUES: 31,735,716 30,958,114 CATG L1 EXCEPTION VALUES: 202,787,880 211,477,237 TOTAL TEST VALUES (4): 6,133,725,691 6,338,897,319 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 316,944,866 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 6,021,952,453 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 6,133,725,691 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 6,655,842,185 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,614,978,103 (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
