DATE: 01/30/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 08:09:57 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-903/High Island ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 17,071,088 1.0835 15,755,503 10 466 .010091346 2 A 17,077,980 0.8623 19,805,149 9 241 .011102441 3 A 17,074,057 0.8524 20,030,569 7 129 .011636301 4 A 17,027,753 0.9239 18,430,299 11 67 .047489626 5 C 1,743,902 0.9856 1,769,381 8 727 .066419651 6 C 1,737,443 0.9667 1,797,293 7 278 .125186729 7 C 1,773,519 1.0316 1,719,193 6 82 .080092211 8 C 1,705,137 1.2123 1,406,531 6 32 .046110492 9 D3 3,656,050 1.0129 3,609,488 10 427 .010732387 10 G1 14,390,963 0.9963 14,444,407 8 30 .003298996 RANDOM TOTALS: 93,257,892 98,767,813 82 2,479 CATG D1 EXCEPTION VALUES: 399,140 288,876 TOTAL TEST VALUES (4): 93,657,032 99,056,689 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 4,952,834 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 93,657,032 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 94,103,855 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 104,009,523 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 93,732,827 (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
