DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:33:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 188/Potter VRSN: W 191-901/Canyon ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 373,972,818 0.9550 391,594,574 56 4,227 .017801515 2 A 374,258,091 0.9639 388,274,812 56 2,750 .023087480 3 A 373,996,828 0.9744 383,822,689 53 2,061 .004341318 4 A 373,640,869 0.9769 382,476,066 54 1,282 .005619910 5 F1 47,468,012 0.9679 49,042,269 12 398 .061486949 6 F1 48,180,438 0.9676 49,793,756 8 107 .003215865 7 F1 48,332,858 1.0144 47,646,745 5 34 .010518141 8 F1 45,435,491 0.9454 48,059,542 5 9 .003613260 9 L1 47,042,452 0.9807 47,968,239 8 306 .004190781 10 L1 47,906,367 0.9844 48,665,550 10 89 .000495705 11 L1 39,408,028 0.9961 39,562,321 7 16 .001675668 RANDOM TOTALS: 1,819,642,252 1,876,906,563 274 11,279 CATG D1 EXCEPTION VALUES: 27,178,993 32,904,845 TOTAL TEST VALUES (4): 1,846,821,245 1,909,811,408 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 95,490,570 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,814,320,838 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,846,821,245 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 2,005,301,978 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 2,029,524,305 (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
