DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:00:24 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 036/Chambers VRSN: W 036-903/East Chambers ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 25,412,491 1.0612 23,946,938 20 587 .081572804 2 A 25,411,160 1.0860 23,398,858 11 309 .028490348 3 A 25,518,451 0.8329 30,638,073 7 219 .142112471 4 A 25,236,355 1.1027 22,885,966 7 141 .056369308 5 D3 28,726,360 0.9480 30,302,068 27 2,096 .125785171 6 F1 8,201,172 0.9041 9,071,089 9 95 .112255004 7 F1 8,428,314 0.9803 8,597,688 6 23 .010187738 8 F1 8,055,819 0.9543 8,441,600 4 7 .017766774 9 F1 7,426,063 1.0614 6,996,479 2 3 .007318746 10 G1 71,416,516 1.0200 70,016,192 8 43 .006490076 11 L1 3,170,081 1.0554 3,003,677 7 83 .006321622 12 L1 3,123,100 1.0270 3,040,993 5 18 .006419935 13 L1 3,427,479 1.0762 3,184,797 5 11 .010527859 14 L1 2,724,856 1.0000 2,724,856 2 4 .000005478 RANDOM TOTALS: 246,278,217 246,249,274 120 3,639 CATG J EXCEPTION VALUES: 7,083,794 7,010,145 CATG D1 EXCEPTION VALUES: 8,662,180 7,971,888 TOTAL TEST VALUES (4): 262,024,191 261,231,307 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 13,061,565 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 248,169,742 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 262,024,191 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 274,292,872 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 260,788,178 (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
