DATE: 01/26/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:21:55 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 125/Jim Wells VRSN: W 125-901/Alice ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 62,666,419 0.9603 65,257,127 11 2,368 .009556535 2 A 62,616,370 0.9227 67,862,111 7 1,242 .003475389 3 A 62,638,207 0.9459 66,220,750 17 718 .015442383 4 A 62,618,411 0.9539 65,644,628 18 402 .003859764 5 D3 62,772,799 0.9200 68,231,303 11 4,627 .013270590 6 F1 20,494,286 0.8844 23,173,096 7 319 .026274119 7 F1 20,419,290 0.9320 21,909,109 8 107 .006577818 8 F1 20,375,258 1.0023 20,328,502 6 38 .010235817 9 F1 20,288,783 0.9880 20,535,205 3 5 .000412595 10 L1 14,720,698 1.0676 13,788,589 7 339 .006733230 11 L1 14,700,305 1.0321 14,243,101 7 82 .002884830 12 L1 15,099,068 1.0575 14,278,078 6 28 .009496717 13 L1 14,052,209 1.0106 13,904,818 3 5 .000262411 RANDOM TOTALS: 453,462,103 475,376,417 111 10,280 CATG J EXCEPTION VALUES: 21,359,639 22,951,239 CATG D1 EXCEPTION VALUES: 16,765,827 17,922,014 TOTAL TEST VALUES (4): 491,587,569 516,249,670 MARGIN OF ERROR PERCENT: 5.0000001 MARGIN OF ERROR VALUE: 25,812,484 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 490,437,186 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 491,587,569 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 542,062,154 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 763,435,275 (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
