DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:35:19 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 016/Blanco VRSN: W 016-902/Blanco ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 11,242,237 0.9919 11,334,043 7 223 .011009142 2 A 11,153,298 0.9250 12,057,619 7 145 .009166467 3 A 11,211,653 0.9820 11,417,162 7 111 .005598130 4 A 11,109,310 0.9575 11,602,413 6 73 .006214772 5 C 5,890,631 1.0255 5,744,155 8 601 .009829701 6 C 5,872,466 0.9934 5,911,482 42 285 .021023972 7 C 5,911,675 1.0008 5,906,949 50 165 .001031139 8 C 5,774,851 1.0005 5,771,965 27 97 .000940363 9 D3 248,800,000 0.9364 265,698,419 26 4,912 .017466060 10 F1 5,841,171 1.0112 5,776,474 7 68 .029334191 11 F1 5,752,616 1.0782 5,335,389 8 33 .023293280 12 F1 5,702,861 1.0133 5,628,008 6 21 .059534169 13 F1 5,589,189 0.9555 5,849,491 5 9 .003052395 RANDOM TOTALS: 339,851,958 358,033,569 206 6,743 CATG D1 EXCEPTION VALUES: 13,865,960 14,226,989 TOTAL TEST VALUES (4): 353,717,918 372,260,558 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 18,613,028 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 353,647,530 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 353,717,918 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 390,873,586 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 347,459,676 (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
