DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:25:27 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 248/Winkler VRSN: W 248-902/Wink-Loving ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,924,620 0.8911 8,893,076 12 431 .027228712 2 G1 141,348,250 0.9945 142,129,965 7 187 .004898080 3 G1 144,970,720 1.0256 141,352,106 6 49 .003131368 4 G1 150,852,050 1.0039 150,266,013 5 18 .000603037 5 G1 128,089,210 1.0450 122,573,407 3 6 .006194322 RANDOM TOTALS: 573,184,850 565,214,567 33 691 CATG J EXCEPTION VALUES: 21,799,304 21,519,060 CATG D1 EXCEPTION VALUES: 1,475,460 4,024,822 TOTAL TEST VALUES (4): 596,459,614 590,758,449 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 29,537,922 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 561,220,527 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 596,459,614 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 620,296,371 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 664,443,319 (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
