DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:41:08 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 237/Waller VRSN: W 237-904/Waller ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 131,397,875 0.9648 136,191,827 33 2,268 .025322493 2 A 131,317,908 0.9571 137,203,958 36 1,417 .030310878 3 A 131,363,364 0.9788 134,208,586 38 967 .019131444 4 A 131,259,787 0.9967 131,694,378 31 590 .039711473 5 D3 370,343,240 0.9215 401,891,742 40 10,815 .129109803 6 F1 15,996,866 1.1323 14,127,763 8 222 .060379730 7 F1 16,398,854 0.8765 18,709,474 6 59 .085042995 8 F1 31,544,862 1.1091 28,441,856 8 25 .171098975 RANDOM TOTALS: 959,622,756 1,002,469,584 200 16,363 CATG D1 EXCEPTION VALUES: 24,320,722 21,554,542 TOTAL TEST VALUES (4): 983,943,478 1,024,024,126 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 51,201,206 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 972,822,920 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 983,943,478 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,075,225,332 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,093,308,344 (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
