DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:36:37 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 020/Brazoria VRSN: W 020-905/Brazosport ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 409,231,154 0.9688 422,410,357 57 6,391 .001288461 2 A 409,038,034 0.9792 417,726,750 57 3,764 .002457301 3 A 409,117,047 0.9879 414,127,996 57 2,585 .002945547 4 A 409,027,415 0.9970 410,258,190 57 1,484 .004917722 5 F1 71,921,313 0.9335 77,044,792 10 620 .006602210 6 F1 72,165,600 0.8581 84,099,289 10 171 .038718904 7 F1 72,759,322 0.9120 79,779,958 6 61 .011338674 8 F1 70,531,947 0.9635 73,203,889 5 14 .015869920 9 L1 57,321,160 0.9864 58,111,476 7 670 .000713043 10 L1 57,832,196 1.0229 56,537,488 7 152 .001563287 11 L1 58,455,631 0.9669 60,456,749 6 48 .003931670 12 L1 55,354,291 0.9728 56,902,026 5 13 .003191115 RANDOM TOTALS: 2,152,755,110 2,210,658,960 284 15,973 CATG J EXCEPTION VALUES: 85,871,587 90,714,493 CATG D1 EXCEPTION VALUES: 2,683,940 2,494,098 TOTAL TEST VALUES (4): 2,241,310,637 2,303,867,551 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 115,193,378 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 2,188,674,173 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 2,241,310,637 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 2,419,060,929 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 6,212,608,465 (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
