DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:03:05 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-906/Texas City ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 138,386,822 0.9324 148,420,015 18 2,918 2 A 138,323,334 1.0364 133,465,201 11 1,945 3 A 138,271,034 0.9649 143,300,895 15 1,401 4 A 138,353,161 0.9938 139,216,302 17 854 5 F1 17,015,608 0.9562 17,795,030 9 261 6 F1 17,102,744 0.8959 19,090,015 8 99 7 F1 17,354,356 0.9163 18,939,601 8 39 8 F1 16,600,738 0.8830 18,800,383 6 10 9 L1 18,131,235 0.9816 18,471,103 7 267 10 L1 18,016,871 1.0432 17,270,774 7 52 11 L1 19,711,083 0.9981 19,748,605 5 17 RANDOM TOTALS: 677,266,986 694,517,924 111 7,863 CATG J EXCEPTION VALUES: 25,568,391 24,458,909 CATG D1 EXCEPTION VALUES: 27,640 24,558 CATG L1 EXCEPTION VALUES: 13,786,285 14,143,636 TOTAL TEST VALUES (4): 716,649,302 733,145,027 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 36,657,251 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 696,487,776 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 716,649,302 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 769,802,278 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 2,883,751,135 (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
