DATE: 01/26/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:21:01 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 025/Brown VRSN: W 025-902/Brownwood ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 75,273,381 0.8503 88,525,674 70 2,824 .043665836 2 A 75,408,775 0.8487 88,852,097 64 1,357 .021210730 3 A 75,131,911 0.8853 84,866,047 63 858 .020328279 4 A 75,263,441 0.8674 86,769,012 37 460 .021327384 5 D3 33,341,182 1.0051 33,172,005 30 1,600 .025244186 6 F1 32,259,816 0.9542 33,808,233 7 357 .008823675 7 F1 32,214,045 0.9473 34,006,170 7 102 .008191838 8 F1 32,479,263 1.0185 31,889,311 8 27 .038435500 9 L1 20,994,504 1.0009 20,975,626 7 380 .001064090 10 L1 20,862,651 0.9783 21,325,412 11 87 .002267538 11 L1 20,924,901 0.9876 21,187,628 9 30 .000538133 RANDOM TOTALS: 494,153,870 545,377,215 313 8,082 CATG J EXCEPTION VALUES: 36,061,999 37,926,578 CATG D1 EXCEPTION VALUES: 4,927,973 4,718,652 CATG F1 EXCEPTION VALUES: 32,896,190 33,937,947 CATG L1 EXCEPTION VALUES: 21,624,250 21,186,954 TOTAL TEST VALUES (4): 589,664,282 643,147,346 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 32,157,367 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 589,664,282 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 610,989,979 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 675,304,713 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 830,710,794 (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
