DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:00 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-901/Allen ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 829,910,432 1.0000 829,910,432 81 5,804 .001532824 2 A 830,104,331 0.9963 833,187,123 82 4,548 .001393270 3 A 829,912,434 0.9924 836,268,071 81 3,711 .003032158 4 A 829,663,837 0.9900 838,044,280 82 2,364 .001417476 5 F1 130,880,280 0.9774 133,906,568 7 127 .007830459 6 F1 132,899,062 0.8844 150,270,310 6 45 .016738723 7 F1 129,526,991 0.9528 135,943,525 6 15 .005066386 8 F1 128,325,558 0.8438 152,080,538 3 6 .010427486 9 L1 74,084,748 0.9739 76,070,180 7 371 .000425237 10 L1 73,435,087 0.8794 83,505,898 6 34 .031494306 11 L1 93,903,274 1.0218 91,899,857 4 8 .001981404 RANDOM TOTALS: 4,082,646,034 4,161,086,782 365 17,033 CATG D1 EXCEPTION VALUES: 1,611,523 1,535,213 CATG L1 EXCEPTION VALUES: 87,632,295 89,907,338 TOTAL TEST VALUES (4): 4,171,889,852 4,252,529,333 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 212,626,467 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 4,039,902,866 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 4,171,889,852 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 4,465,155,800 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 4,819,716,884 (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
