DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:15:43 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 196/Refugio VRSN: W 196-903/Refugio ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 10,511,420 0.8461 12,423,378 8 522 .009673672 2 A 10,483,747 0.8230 12,738,453 12 297 .047170336 3 A 10,464,546 0.9664 10,828,380 8 180 .011546320 4 A 10,483,596 0.9959 10,526,756 8 97 .003459170 5 D3 11,270,970 0.8651 13,028,517 13 2,280 .051046811 6 G1 38,982,443 0.9942 39,209,860 7 55 .013351766 7 G1 39,583,990 0.9966 39,719,035 5 15 .006669123 8 G1 54,028,920 0.9626 56,128,111 3 5 .008692261 RANDOM TOTALS: 185,809,632 194,602,490 64 3,451 CATG J EXCEPTION VALUES: 27,444,252 29,275,954 CATG D1 EXCEPTION VALUES: 12,634,650 14,893,618 CATG G1 EXCEPTION VALUES: 93,858,704 95,137,383 TOTAL TEST VALUES (4): 319,747,238 333,909,445 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 16,695,472 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 317,213,973 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 319,747,238 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 350,604,917 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 390,542,663 (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
