DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:13:33 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 184/Parker VRSN: W 184-902/Springtown ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 81,456,426 0.9811 83,025,610 20 1,455 .031914254 2 A 81,435,476 1.0289 79,148,096 22 924 .011200591 3 A 81,466,801 1.0257 79,425,564 33 683 .014600584 4 A 81,292,648 1.0026 81,081,835 13 441 .004573972 5 D3 155,296,220 0.9700 160,099,196 15 4,276 .018875252 RANDOM TOTALS: 480,947,571 482,780,301 103 7,779 CATG D1 EXCEPTION VALUES: 4,343,370 3,511,027 TOTAL TEST VALUES (4): 485,290,941 486,291,328 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 24,314,566 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 461,976,762 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 485,290,941 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 510,605,894 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 545,847,574 (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
