DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:37:21 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 217/Stonewall VRSN: W 217-901/Aspermont Cons ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,560,906 0.9121 2,807,703 9 219 .007302967 2 A 2,556,347 0.9816 2,604,265 8 111 .004811297 3 A 2,562,637 0.9456 2,710,065 6 72 .007305919 4 A 2,538,324 0.9906 2,562,411 9 38 .005578672 5 D3 9,018,699 0.8966 10,058,776 11 2,885 .014420213 6 G1 18,255,650 1.1137 16,391,892 6 78 .016220989 7 G1 17,975,070 1.0991 16,354,354 5 24 .020808400 8 G1 20,321,430 1.0311 19,708,496 4 10 .003843783 9 G1 15,058,640 0.9639 15,622,616 2 3 .000557389 RANDOM TOTALS: 90,847,703 88,820,578 60 3,440 CATG J EXCEPTION VALUES: 3,445,810 3,483,231 CATG D1 EXCEPTION VALUES: 18,980,680 20,479,635 TOTAL TEST VALUES (4): 113,274,193 112,783,444 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 5,639,172 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 107,144,272 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 113,274,193 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 118,422,616 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 123,033,681 (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
