DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:15:26 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 170/Montgomery VRSN: P 170-904/Willis ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 219,338,791 0.9557 229,505,902 11 3,738 2 A 219,305,868 0.9326 235,155,338 16 1,731 3 A 219,520,791 0.9253 237,242,830 16 1,044 4 A 219,129,518 0.9111 240,510,941 16 547 5 C 23,696,914 0.8795 26,943,620 12 4,356 6 C 23,827,948 0.9003 26,466,676 8 1,260 7 C 23,246,038 0.9082 25,595,726 10 449 8 C 23,540,730 0.9114 25,829,197 8 164 9 D3 45,452,375 0.9705 46,833,977 10 1,890 10 F1 23,262,816 0.9391 24,771,394 7 205 11 F1 23,517,108 0.9298 25,292,652 7 59 12 F1 23,046,852 0.8976 25,676,083 6 23 13 F1 23,063,531 0.9691 23,798,918 3 5 14 L1 17,752,206 0.9178 19,342,129 7 294 15 L1 17,997,701 1.0143 17,743,962 8 72 16 L1 18,568,740 0.9459 19,630,764 5 15 RANDOM TOTALS: 1,164,267,927 1,250,340,109 150 15,852 CATG D1 EXCEPTION VALUES: 35,937,608 35,152,030 CATG L1 EXCEPTION VALUES: 7,843,300 7,946,983 TOTAL TEST VALUES (4): 1,208,048,835 1,293,439,122 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 64,671,956 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 1,208,048,835 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 1,228,767,166 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 1,358,111,078 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,176,821,434 (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
