DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:17:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 115/Hudspeth VRSN: W 115-902/Sierra Blanca ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 1,433,136 0.9986 1,435,145 11 87 .011998943 2 A 1,438,000 1.0325 1,392,736 11 45 .007475396 3 A 1,454,135 0.9856 1,475,380 9 30 .001313445 4 A 1,372,729 0.9857 1,392,644 7 18 .001155364 5 C 824,656 0.9906 832,481 9 1,337 .002881344 6 C 957,797 1.0393 921,579 11 664 .020859716 7 C 646,016 1.1355 568,926 12 307 .140738418 8 C 808,733 1.0030 806,314 11 140 .027659720 9 D3 5,228,710 0.9011 5,802,586 26 5,898 .076915749 10 F1 661,892 0.9455 700,044 7 25 .039388641 11 F1 680,690 0.9475 718,406 6 10 .004087236 12 F1 722,813 0.9789 738,393 3 4 .000128692 RANDOM TOTALS: 16,229,307 16,784,634 123 8,565 CATG J EXCEPTION VALUES: 16,696,210 16,932,030 CATG D1 EXCEPTION VALUES: 1,934,275 5,338,966 CATG F1 EXCEPTION VALUES: 426,141 465,384 TOTAL TEST VALUES (4): 35,285,933 39,521,014 MARGIN OF ERROR PERCENT: 5.0000008 MARGIN OF ERROR VALUE: 1,976,051 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 35,285,933 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 37,544,963 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 41,497,065 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 49,613,493 (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
