DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:08:46 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 114/Howard VRSN: W 114-901/Big Spring ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 64,173,353 0.9208 69,693,042 16 3,084 2 A 64,165,307 0.9824 65,314,848 22 1,540 3 A 64,198,095 0.9695 66,217,736 20 899 4 A 64,095,992 0.9855 65,039,058 24 480 5 F1 21,951,248 0.9185 23,899,018 13 382 6 F1 21,992,943 0.8697 25,287,965 13 100 7 F1 22,826,033 1.0136 22,519,764 8 23 8 F1 21,102,512 1.0893 19,372,544 3 4 9 G1 67,751,344 1.0013 67,663,382 14 122 10 L1 13,591,251 0.9896 13,734,085 8 331 11 L1 13,756,285 1.0509 13,090,004 8 67 12 L1 26,955,201 0.9855 27,351,802 8 21 RANDOM TOTALS: 466,559,564 479,183,248 157 7,053 CATG J EXCEPTION VALUES: 27,368,221 27,841,330 CATG D1 EXCEPTION VALUES: 7,121,492 4,084,640 TOTAL TEST VALUES (4): 501,049,277 511,109,218 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 25,555,461 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 485,553,757 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 501,049,277 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 536,664,679 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 644,674,034 (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
