DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:47 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-910/Whitewright ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 16,376,429 1.1652 14,054,608 13 384 .037880022 2 A 16,417,328 1.0227 16,052,927 8 229 .001092353 3 A 16,386,207 1.0849 15,103,887 8 156 .006556926 4 A 16,299,430 1.0059 16,203,827 9 87 .003027176 5 D3 36,027,766 1.1416 31,559,010 23 1,810 .034685647 6 F1 1,681,276 0.8961 1,876,215 7 39 .022294030 7 F1 1,774,805 0.9940 1,785,518 5 15 .004363171 8 F1 1,938,308 0.9406 2,060,714 5 7 .007750401 RANDOM TOTALS: 106,901,549 98,696,706 78 2,727 CATG J EXCEPTION VALUES: 5,744,650 6,440,842 CATG D1 EXCEPTION VALUES: 6,027,994 4,209,408 CATG F1 EXCEPTION VALUES: 1,495,112 1,646,110 TOTAL TEST VALUES (4): 120,169,305 110,993,066 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 5,549,653 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 105,443,413 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 116,542,719 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 120,169,305 (OUTSIDE CONFIDENCE INTERVAL) VALUE ASSIGNED (6): 117,347,388 (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
