DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:26:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 254/Zavala VRSN: W 254-902/LaPryor ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,204,848 0.9479 2,326,034 15 193 .032867005 2 A 2,183,199 0.9346 2,335,972 15 101 .019292967 3 A 2,189,319 0.9566 2,288,646 15 71 .017860155 4 A 2,188,801 1.0049 2,178,128 13 40 .007073545 5 D3 7,367,205 0.7624 9,663,175 22 983 .567889593 6 G1 2,290,348 1.0646 2,151,370 21 33 .013128094 RANDOM TOTALS: 18,423,720 20,943,325 101 1,421 CATG J EXCEPTION VALUES: 5,618,583 5,626,130 CATG D1 EXCEPTION VALUES: 11,229,745 11,385,715 TOTAL TEST VALUES (4): 35,272,048 37,955,170 MARGIN OF ERROR PERCENT: 8.0693987 MARGIN OF ERROR VALUE: 3,062,754 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 34,892,416 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 35,272,048 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 41,017,924 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 36,436,261 (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
