DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:02:26 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 045/Colorado VRSN: W 045-903/Rice CISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 82,998,705 0.9579 86,646,524 24 2,085 .019276017 2 D3 63,064,131 0.9629 65,493,957 27 3,596 .024721305 3 F1 18,965,290 0.9944 19,072,094 11 395 .006552696 4 G1 25,349,587 1.0433 24,297,505 15 38 .019276602 5 G1 23,319,458 1.0987 21,224,591 10 18 .012211636 6 G1 24,363,634 1.0735 22,695,514 7 10 .011063265 RANDOM TOTALS: 238,060,805 239,430,185 94 6,142 CATG J EXCEPTION VALUES: 20,748,683 21,706,728 CATG D1 EXCEPTION VALUES: 45,177,966 44,978,723 CATG G1 EXCEPTION VALUES: 112,087,628 106,039,887 TOTAL TEST VALUES (4): 416,075,082 412,155,523 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 20,607,776 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 391,547,747 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 416,075,082 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 432,763,299 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 476,831,915 (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
