DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:09:30 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-902/Galveston ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 663,441,732 0.9515 697,258,783 51 9,746 .012378794 2 A 663,275,743 0.9440 702,622,609 63 5,277 .009170845 3 A 668,098,572 0.9745 685,580,885 63 3,166 .009298058 4 A 658,559,894 0.9770 674,063,351 57 1,614 .011573177 5 B 56,123,498 1.0278 54,605,466 15 644 .011195949 6 B 56,261,802 1.0809 52,050,885 7 186 .037580224 7 B 57,790,730 0.9347 61,828,105 5 19 .004676746 8 B 53,919,332 0.9594 56,201,097 4 9 .012189115 9 F1 105,969,342 0.8266 128,199,059 13 718 .135128250 10 F1 106,083,080 0.8723 121,613,069 10 217 .017198806 11 F1 106,016,282 0.8941 118,573,182 6 72 .010952506 12 F1 105,678,062 0.8324 126,955,865 6 14 .103004398 13 L1 49,511,914 1.1872 41,704,779 7 832 .085232652 14 L1 49,585,569 1.0620 46,690,743 8 186 .022899448 15 L1 50,944,857 1.0238 49,760,556 7 44 .032687908 16 L1 47,576,047 0.9232 51,533,846 4 11 .008888649 RANDOM TOTALS: 3,498,836,456 3,669,242,280 326 22,755 CATG D1 EXCEPTION VALUES: 438,800 322,453 TOTAL TEST VALUES (4): 3,499,275,256 3,669,564,733 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 183,478,237 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 3,486,086,496 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 3,499,275,256 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 3,853,042,970 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 3,593,421,636 (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
