DATE: 01/27/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:59:42 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 084/Galveston VRSN: W 084-910/Clear Creek ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,100,349,315 0.9533 2,203,240,654 64 18,123 .007353030 2 A 2,100,694,160 0.9804 2,142,690,902 64 13,139 .003637296 3 A 2,099,964,441 0.9632 2,180,195,641 64 9,997 .005397197 4 A 2,100,209,941 0.9801 2,142,852,710 63 5,863 .007025212 5 B 144,392,153 0.9587 150,612,447 6 42 .020607040 6 B 146,794,853 0.9541 153,856,884 5 21 .004998308 7 B 136,703,707 0.8918 153,289,647 5 13 .004945298 8 B 140,673,028 0.9874 142,468,126 4 8 .003052172 9 F1 404,887,470 0.8980 450,876,915 8 774 .004941039 10 F1 404,553,674 0.9543 423,927,145 8 211 .037511271 11 F1 411,053,982 0.6462 636,109,536 7 75 .209452531 12 F1 397,107,278 1.4807 268,188,882 7 20 .798359816 13 L1 134,536,881 1.0472 128,472,957 8 1,678 .011361359 14 L1 134,934,127 1.0075 133,929,655 8 321 .006321569 15 L1 138,587,289 1.0274 134,891,268 7 75 .003917790 16 L1 129,928,181 0.9766 133,041,349 6 15 .001574670 RANDOM TOTALS: 11,125,370,480 11,578,644,718 334 50,375 CATG D1 EXCEPTION VALUES: 731,680 751,657 TOTAL TEST VALUES (4): 11,126,102,160 11,579,396,375 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 578,969,819 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 11,000,426,556 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 11,126,102,160 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 12,158,366,194 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 11,906,988,026 (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
