DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:06:58 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 161/McLennan VRSN: W 161-906/La Vega ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 38,285,833 1.0363 36,944,739 16 1,312 .031173151 2 A 38,333,965 0.9344 41,025,219 13 727 .005370225 3 A 38,253,899 0.9768 39,162,468 16 532 .004980478 4 A 38,257,125 0.9922 38,557,876 15 376 .009343991 5 F1 21,138,740 0.9682 21,833,030 7 138 .009293553 6 F1 20,827,420 1.0083 20,655,975 5 24 .006431538 7 F1 21,921,339 0.9576 22,891,958 4 9 .001581564 8 L1 13,910,217 1.0125 13,738,486 7 131 .000700938 9 L1 14,171,664 0.9837 14,406,490 6 30 .004907468 10 L1 19,128,394 1.0097 18,944,631 4 5 .001096870 RANDOM TOTALS: 264,228,596 268,160,872 93 3,284 CATG J EXCEPTION VALUES: 16,969,648 16,895,646 CATG D1 EXCEPTION VALUES: 1,418,548 1,387,655 CATG F1 EXCEPTION VALUES: 16,053,365 16,573,949 CATG L1 EXCEPTION VALUES: 7,674,247 7,724,747 TOTAL TEST VALUES (4): 306,344,404 310,742,869 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 15,537,143 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 295,205,726 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 306,344,404 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 326,280,012 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 394,791,664 (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
