DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:28 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 158/Matagorda VRSN: W 158-901/Bay City ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 79,699,810 0.9501 83,885,707 28 1,954 .014438649 2 A 79,581,580 0.9889 80,474,851 37 1,146 .007962332 3 A 79,701,720 0.9912 80,409,322 37 838 .007914385 4 A 79,571,712 0.9458 84,131,647 24 475 .018093796 5 F1 20,461,046 0.9623 21,262,648 8 322 .014490324 6 F1 20,564,981 0.9752 21,087,962 8 134 .025281584 7 F1 20,888,872 0.8843 23,621,929 8 54 .021675325 8 F1 19,919,584 0.9744 20,442,923 5 16 .008232213 9 G1 15,227,260 1.0048 15,154,518 5 16 .001096931 10 G1 14,799,154 1.0035 14,747,538 4 7 .000099505 11 G1 18,631,140 0.9871 18,874,623 3 5 .000156446 12 L1 10,583,584 1.1392 9,290,365 7 305 .023969480 13 L1 10,541,435 1.1238 9,380,170 6 81 .019130388 14 L1 11,119,115 0.9826 11,316,014 6 33 .012270272 15 L1 9,875,045 0.9762 10,115,801 3 4 .000538870 RANDOM TOTALS: 491,166,038 504,196,018 189 5,390 CATG J EXCEPTION VALUES: 38,438,645 38,244,954 CATG D1 EXCEPTION VALUES: 13,058,006 13,320,029 CATG G1 EXCEPTION VALUES: 10,356,500 10,567,041 TOTAL TEST VALUES (4): 553,019,189 566,328,042 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 28,316,402 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 538,011,640 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 553,019,189 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 594,644,444 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 844,863,578 (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
