DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:18:53 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 122/Jeff Davis VRSN: W 122-902/Valentine ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 890,627 1.0555 843,796 6 61 .013597169 2 A 911,835 0.9173 994,042 5 18 .006391214 3 A 856,138 1.0141 844,234 5 9 .006370604 4 C 1,953,833 1.3378 1,460,482 55 440 .358328801 5 C 248,993 1.3047 190,843 9 42 .040594214 6 C 1,041,833 1.4074 740,254 23 103 .043609150 7 C 1,080,135 1.5339 704,176 6 28 .076425561 8 D3 6,120,660 1.0321 5,930,297 24 1,425 .039287232 RANDOM TOTALS: 13,104,054 11,708,124 133 2,126 CATG J EXCEPTION VALUES: 7,264,260 7,364,477 CATG D1 EXCEPTION VALUES: 7,518,880 7,554,907 CATG A EXCEPTION VALUES: 810,500 839,636 TOTAL TEST VALUES (4): 28,697,694 27,467,144 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,373,357 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 26,093,787 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 28,697,694 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 28,840,501 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 30,390,196 (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
