DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:09:34 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-904/LaMarque ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 196,326,024 0.9371 209,503,814 37 3,534 .006766330 2 A 196,322,754 0.9575 205,036,819 58 2,229 .006743246 3 A 196,169,505 0.9745 201,302,724 62 1,491 .035237193 4 A 196,147,689 0.9773 200,703,662 58 759 .018448596 5 B 13,905,447 1.0651 13,055,532 6 53 .008281820 6 B 16,003,773 0.9358 17,101,702 3 5 .001584646 7 B 23,274,349 0.9473 24,569,143 2 4 .000740701 8 F1 31,349,798 0.9341 33,561,501 8 271 .009547997 9 F1 31,391,133 0.9090 34,533,700 7 71 .003094389 10 F1 32,413,103 0.9440 34,335,914 5 21 .001556853 11 L1 19,592,003 0.8517 23,003,408 7 308 .038203918 12 L1 19,875,889 1.0687 18,598,193 7 66 .026183909 13 L1 19,061,220 1.0161 18,759,197 5 11 .010299346 14 L1 19,182,420 0.9650 19,878,155 2 3 .002255374 RANDOM TOTALS: 1,011,015,107 1,053,943,464 267 8,826 CATG D1 EXCEPTION VALUES: 73,790 55,603 CATG F1 EXCEPTION VALUES: 43,145,590 46,577,972 TOTAL TEST VALUES (4): 1,054,234,487 1,100,577,039 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 55,028,852 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,045,548,187 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,054,234,487 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,155,605,891 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,285,471,172 (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
