DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:59:00 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 030/Callahan VRSN: W 030-902/Clyde ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 19,640,612 0.9511 20,650,417 13 620 .070307854 2 A 19,660,917 0.9417 20,878,111 13 345 .003111289 3 A 19,618,776 0.9481 20,692,729 14 252 .005719214 4 A 19,604,281 0.9570 20,485,142 27 168 .003053766 5 D3 62,117,181 1.0106 61,465,645 37 3,636 .016735230 6 F1 3,024,756 0.9655 3,132,839 9 90 .001191446 7 F1 2,956,710 0.9733 3,037,820 7 32 .000556566 8 F1 3,238,415 0.9876 3,279,076 8 14 .000253208 9 F1 2,691,305 0.9630 2,794,709 3 5 .000335316 10 L1 2,981,540 1.0250 2,908,820 8 91 .009004293 11 L1 3,022,330 1.0623 2,845,081 7 22 .031346307 RANDOM TOTALS: 158,556,823 162,170,389 146 5,275 CATG J EXCEPTION VALUES: 9,377,050 10,303,734 CATG D1 EXCEPTION VALUES: 10,673,984 9,702,524 CATG L1 EXCEPTION VALUES: 4,636,880 4,698,384 TOTAL TEST VALUES (4): 183,244,737 186,875,031 MARGIN OF ERROR PERCENT: 5.0000002 MARGIN OF ERROR VALUE: 9,343,752 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 177,531,279 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 183,244,737 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 196,218,783 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 161,998,762 (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
