DATE: 01/30/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 08:10:13 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 236/Walker VRSN: W 093-905/Richards ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,044,695 0.9175 1,138,632 6 26 .017580382 2 A 1,021,256 0.8920 1,144,906 5 16 .013280024 3 A 965,606 0.8439 1,144,219 4 11 .005810108 4 A 958,589 0.8622 1,111,794 4 7 .002190352 5 D3 13,435,750 0.7797 17,231,948 19 495 .105055928 RANDOM TOTALS: 17,425,896 21,771,499 38 555 CATG D1 EXCEPTION VALUES: 2,536,890 2,433,840 TOTAL TEST VALUES (4): 19,962,786 24,205,339 MARGIN OF ERROR PERCENT: 10.5600421 MARGIN OF ERROR VALUE: 2,556,094 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 19,962,786 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 21,649,245 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 26,761,433 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 17,291,946 (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
