DATE: 01/30/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 08:09:59 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-908/Hitchcock ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 60,663,518 0.8714 69,616,156 13 1,264 .014040377 2 A 60,635,554 0.9176 66,080,595 14 646 .006129675 3 A 60,799,774 0.9453 64,317,967 11 248 .015084290 4 A 60,498,109 0.9855 61,388,238 13 124 .005654875 5 C 8,524,016 0.8301 10,268,662 8 1,265 .033269059 6 C 8,548,795 0.8746 9,774,520 7 283 .083999513 7 C 8,526,301 0.9962 8,558,825 8 98 .002904557 8 C 8,454,483 0.9606 8,801,252 6 35 .005782345 9 F1 7,439,623 0.9668 7,695,100 7 81 .004579380 10 F1 7,445,139 0.9312 7,995,209 7 25 .004229670 11 F1 8,612,144 0.8715 9,881,978 5 8 .001112771 12 L1 5,693,748 1.0867 5,239,485 6 87 .026917323 13 L1 5,707,138 1.0041 5,683,834 7 25 .002032052 14 L1 5,906,537 1.0782 5,478,146 4 11 .047484920 15 L1 5,177,364 0.9825 5,269,582 2 4 .000081085 RANDOM TOTALS: 322,632,243 346,049,549 118 4,204 CATG J EXCEPTION VALUES: 12,941,769 14,573,687 CATG D1 EXCEPTION VALUES: 1,696,580 2,022,644 CATG F1 EXCEPTION VALUES: 8,612,440 9,144,520 TOTAL TEST VALUES (4): 345,883,032 371,790,400 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 18,589,520 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 345,883,032 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 353,200,880 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 390,379,920 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 346,570,621 (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
