DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:03:13 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-911/Friendswood ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 352,416,049 0.9599 367,138,295 47 2,672 2 A 352,502,447 0.9640 365,666,439 46 1,766 3 A 352,425,732 0.9714 362,801,865 46 1,330 4 A 352,248,599 0.9587 367,423,176 51 831 5 F1 22,655,957 0.9469 23,926,452 9 101 6 F1 23,264,453 0.8640 26,926,450 11 43 7 F1 24,652,149 0.8593 28,688,641 7 14 RANDOM TOTALS: 1,480,165,386 1,542,571,318 217 6,757 CATG D1 EXCEPTION VALUES: 225,570 283,302 CATG F1 EXCEPTION VALUES: 19,393,320 19,714,232 TOTAL TEST VALUES (4): 1,499,784,276 1,562,568,852 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 78,128,443 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,484,440,409 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,499,784,276 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,640,697,295 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,541,202,773 (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
