DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:14:20 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 186/Pecos VRSN: W 186-903/Iraan-Sheffield ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 3,845,252 0.7215 5,329,525 10 193 .027163715 2 A 3,837,571 0.7459 5,144,887 11 121 .004992441 3 A 3,863,119 0.7714 5,007,932 11 78 .005945949 4 A 3,785,650 0.8379 4,518,021 10 44 .002056150 5 G1 13,562,950 1.0128 13,391,538 5 14 .001948333 6 G1 14,190,580 1.0620 13,362,128 4 9 .012801103 7 G1 12,548,310 0.9720 12,909,784 3 5 .001616974 8 G1 12,139,198 1.0050 12,078,804 2 3 .000104936 RANDOM TOTALS: 67,772,630 71,742,619 56 467 CATG J EXCEPTION VALUES: 14,303,292 13,162,952 CATG D1 EXCEPTION VALUES: 3,949,914 6,364,033 CATG G1 EXCEPTION VALUES: 659,521,896 647,793,255 TOTAL TEST VALUES (4): 745,547,732 739,062,859 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 36,953,143 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 702,109,716 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 745,547,732 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 776,016,002 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 984,003,383 (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
