DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:02:33 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 046/Comal VRSN: W 046-902/Comal ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 986,200,143 0.9712 1,015,444,958 45 8,405 .015911386 2 A 986,263,989 0.9742 1,012,383,483 39 4,940 .011726145 3 A 986,433,179 0.9717 1,015,162,271 43 3,629 .012254108 4 A 985,876,227 0.9399 1,048,916,084 32 2,405 .009981948 5 C 131,149,015 0.8289 158,220,551 33 10,637 .139386187 6 C 131,080,325 0.9869 132,820,271 35 3,853 .034027152 7 C 131,125,928 0.9474 138,406,088 39 2,425 .047375595 8 C 131,065,577 0.9505 137,891,191 19 1,047 .021057580 9 D3 280,879,911 0.9789 286,934,223 23 8,393 .008652351 10 F1 100,190,662 0.7851 127,615,160 13 533 .118517852 11 F1 100,493,286 0.8290 121,222,299 9 166 .035720365 12 F1 99,773,294 0.9757 102,258,167 6 72 .018195122 13 F1 99,747,263 0.8499 117,363,529 5 21 .006080531 RANDOM TOTALS: 5,150,278,799 5,414,638,275 341 46,526 CATG D1 EXCEPTION VALUES: 15,172,784 14,740,838 TOTAL TEST VALUES (4): 5,165,451,583 5,429,379,113 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 271,468,956 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 5,157,910,157 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 5,165,451,583 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 5,700,848,069 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 5,694,147,710 (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
