DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:21:22 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 220/Tarrant VRSN: P 220-907/Keller ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 1,277,397,128 1.0251 1,246,119,528 48 10,360 2 A 1,274,495,409 1.0128 1,258,388,042 51 7,212 3 A 1,273,941,575 1.0146 1,255,609,674 49 5,292 4 A 1,274,769,478 1.0151 1,255,806,795 48 3,358 5 F1 151,563,308 0.9149 165,661,065 8 203 6 F1 152,019,405 0.8795 172,847,533 6 60 7 F1 154,319,365 0.9340 165,224,160 5 18 RANDOM TOTALS: 5,558,505,668 5,519,656,797 215 26,503 CATG D1 EXCEPTION VALUES: 587,701 536,924 CATG F1 EXCEPTION VALUES: 126,385,394 131,548,416 TOTAL TEST VALUES (4): 5,685,478,763 5,651,742,137 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 282,587,107 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,369,155,030 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,685,478,763 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 5,934,329,244 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,592,860,144 (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
