DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:38:00 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 028/Caldwell VRSN: W 028-903/Luling ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 24,549,474 1.0191 24,089,367 11 647 .061142157 2 A 24,570,733 0.9976 24,629,845 10 369 .019224521 3 A 24,505,852 0.8874 27,615,339 11 270 .023121739 4 A 24,481,249 0.9694 25,254,022 10 186 .039479857 5 D3 54,735,255 0.9144 59,859,203 20 2,147 .038895793 6 F1 5,540,758 0.9656 5,738,150 9 135 .020233597 7 F1 5,526,947 0.8635 6,400,633 6 67 .033173831 8 F1 5,580,593 0.9386 5,945,656 6 29 .003432336 9 F1 5,473,003 0.8950 6,115,087 4 9 .022101888 10 G1 5,807,070 0.9558 6,075,612 6 86 .102212030 11 G1 5,984,190 1.0805 5,538,353 5 23 .010754154 12 G1 6,661,410 1.0052 6,626,950 4 8 .001392414 RANDOM TOTALS: 193,416,534 203,888,217 102 3,976 CATG J EXCEPTION VALUES: 10,505,190 10,131,156 CATG D1 EXCEPTION VALUES: 3,648,984 4,181,339 CATG G1 EXCEPTION VALUES: 4,708,710 4,332,424 TOTAL TEST VALUES (4): 212,279,418 222,533,136 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 11,126,657 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 211,406,479 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 212,279,418 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 233,659,793 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 224,380,105 (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
