DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:01:46 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 138/Knox VRSN: W 138-902/Knox City-O'Brien CISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,097,289 1.3334 2,322,851 15 232 .066450168 2 A 3,113,639 0.9941 3,132,118 16 139 .039792981 3 A 3,084,449 0.9708 3,177,224 15 88 .021431429 4 A 3,076,707 0.9192 3,347,157 13 53 .003911496 5 D3 3,530,045 0.9139 3,862,616 17 966 .031275696 6 G1 2,965,490 1.1250 2,635,991 5 15 .026819387 7 G1 3,171,999 1.0922 2,904,229 3 5 .052077235 8 L1 1,188,252 0.9893 1,201,104 7 95 .029709171 9 L1 1,144,878 0.9871 1,159,840 6 36 .005897159 10 L1 1,467,378 0.9426 1,556,735 7 18 .020513521 RANDOM TOTALS: 25,840,126 25,299,865 104 1,647 CATG J EXCEPTION VALUES: 1,751,418 1,778,947 CATG D1 EXCEPTION VALUES: 11,308,290 11,938,113 CATG G1 EXCEPTION VALUES: 8,850,016 8,945,212 CATG L1 EXCEPTION VALUES: 1,565,664 1,577,340 TOTAL TEST VALUES (4): 49,315,514 49,539,477 MARGIN OF ERROR PERCENT: 5.0000003 MARGIN OF ERROR VALUE: 2,476,974 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 47,062,503 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 49,315,514 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 52,016,451 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 54,351,563 (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
