DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:22 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 118/Irion VRSN: W 118-902/Irion County ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 6,553,464 0.7768 8,436,488 7 217 .021595299 2 A 6,489,436 0.8946 7,254,008 11 116 .004323198 3 A 6,580,264 0.8328 7,901,374 6 80 .039874794 4 A 6,440,183 0.9026 7,135,146 9 49 .032827232 5 D3 7,742,060 0.6634 11,670,274 10 2,308 .179195277 6 G1 48,943,438 1.1490 42,596,552 7 284 .017083723 7 G1 49,175,890 0.9695 50,722,940 7 111 .031911299 8 G1 50,140,587 0.9895 50,672,650 6 43 .015221153 9 G1 47,255,067 1.1461 41,231,190 3 4 .036800329 RANDOM TOTALS: 229,320,389 227,620,622 66 3,212 CATG J EXCEPTION VALUES: 7,313,836 7,217,416 CATG D1 EXCEPTION VALUES: 14,183,370 15,004,277 TOTAL TEST VALUES (4): 250,817,595 249,842,315 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 12,492,116 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 237,350,199 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 250,817,595 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 262,334,431 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 296,110,640 (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
