DATE: 01/26/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:23:15 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 133/Kerr VRSN: W 133-904/Ingram ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 39,551,285 0.9254 42,739,664 20 692 .022485982 2 A 39,573,735 0.9791 40,418,481 16 335 .050528200 3 A 39,468,987 0.9978 39,556,010 28 254 .005629663 4 A 39,449,877 0.9635 40,944,346 31 168 .057837879 5 D3 87,312,790 0.9667 90,320,461 54 2,749 .051754967 6 F1 9,636,673 0.9900 9,734,013 7 100 .002048675 7 F1 9,499,413 0.9613 9,881,840 6 43 .005576608 8 F1 9,759,885 1.0443 9,345,863 5 21 .004986343 9 F1 9,112,602 0.9828 9,272,082 3 6 .000187106 RANDOM TOTALS: 283,365,247 292,212,760 170 4,368 CATG D1 EXCEPTION VALUES: 6,668,178 6,495,974 TOTAL TEST VALUES (4): 290,033,425 298,708,734 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 14,935,437 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 283,773,297 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 290,033,425 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 313,644,171 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 295,110,626 (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
