DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:43:43 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-913/Lancaster ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 208,184,278 0.9791 212,628,208 32 2,350 .025932071 2 A 207,763,118 1.0214 203,410,141 42 1,821 .003403748 3 A 207,944,596 1.0053 206,848,300 45 1,515 .004110660 4 A 207,909,590 1.0433 199,280,734 44 1,072 .004121303 5 B 17,447,089 1.0215 17,079,872 8 224 .004176497 6 B 18,784,423 0.9286 20,228,756 9 16 .002816839 7 B 18,176,237 1.0041 18,102,019 2 4 .000217220 8 F1 47,045,314 0.9136 51,494,433 7 163 .012283219 9 F1 47,746,915 0.8456 56,465,131 6 40 .015466630 10 F1 49,394,525 0.9412 52,480,371 5 14 .001721706 11 F1 44,025,627 0.9474 46,469,946 3 4 .003318068 12 L1 17,478,987 1.0272 17,016,148 7 152 .014645320 13 L1 17,649,825 1.1076 15,935,198 7 33 .026110651 14 L1 18,572,720 1.0019 18,537,499 7 13 .000431123 RANDOM TOTALS: 1,128,123,244 1,135,976,756 224 7,421 CATG J EXCEPTION VALUES: 92,265,464 93,285,428 CATG D1 EXCEPTION VALUES: 1,426,825 1,761,693 CATG B EXCEPTION VALUES: 14,288,860 14,453,506 CATG L1 EXCEPTION VALUES: 32,445,550 30,536,867 TOTAL TEST VALUES (4): 1,268,549,943 1,276,014,250 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 63,800,713 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,212,213,537 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,268,549,943 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,339,814,963 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,294,906,558 (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
