DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:07:38 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 072/Erath VRSN: W 072-908/Huckabay ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,259,887 0.9518 1,323,689 6 32 .007431479 2 A 1,256,045 0.9534 1,317,438 7 18 .022885724 3 A 1,156,712 0.9188 1,258,938 9 12 .005672961 4 D3 42,616,220 0.9148 46,585,286 37 1,897 .075311672 5 G1 1,422,430 0.9791 1,452,793 6 33 .008090328 6 G1 1,377,090 1.1109 1,239,617 5 14 .014490687 7 G1 1,432,010 1.0385 1,378,922 4 9 .004223667 8 G1 1,243,010 1.0918 1,138,496 3 5 .051363583 RANDOM TOTALS: 51,763,404 55,695,179 77 2,020 CATG J EXCEPTION VALUES: 4,939,907 5,748,028 CATG D1 EXCEPTION VALUES: 9,571,330 8,360,783 CATG A EXCEPTION VALUES: 1,075,320 1,195,999 TOTAL TEST VALUES (4): 67,349,961 70,999,989 MARGIN OF ERROR PERCENT: 5.8612277 MARGIN OF ERROR VALUE: 4,161,471 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 66,838,518 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 67,349,961 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 75,161,460 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 70,329,667 (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
