DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:05:48 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 063/Dickens VRSN: W 063-903/Spur ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,158,096 0.9717 3,250,073 8 310 .020902568 2 A 3,136,229 0.9723 3,225,577 9 163 .007492257 3 A 3,179,423 1.0564 3,009,677 7 98 .008221718 4 A 3,108,096 1.0563 2,942,437 7 57 .015345202 5 D3 11,295,110 0.9954 11,347,308 23 2,423 .008137265 6 G1 22,324,155 1.0814 20,643,753 6 32 .009451153 7 G1 23,338,879 0.9855 23,682,272 5 13 .027936312 8 G1 20,440,940 0.9624 21,239,547 3 5 .002485879 9 G1 21,880,532 1.0277 21,290,777 2 3 .011157742 RANDOM TOTALS: 111,861,460 110,631,421 70 3,104 CATG D1 EXCEPTION VALUES: 20,620,030 22,893,365 TOTAL TEST VALUES (4): 132,481,490 133,524,786 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 6,676,239 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 126,848,547 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 132,481,490 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 140,201,025 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 157,772,437 (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
