DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:26:25 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 166/Milam VRSN: W 166-904/Rockdale ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 33,422,233 0.8902 37,544,634 17 1,051 .066105182 2 A 33,458,933 1.0149 32,967,714 15 532 .023786234 3 A 33,334,916 0.9589 34,763,704 15 328 .010337392 4 A 33,405,305 0.9478 35,245,099 15 205 .013131960 5 D3 70,635,869 0.9818 71,945,273 20 3,910 .044811330 6 F1 6,874,835 0.8673 7,926,709 7 160 .029583252 7 F1 7,033,121 0.8625 8,154,343 6 52 .010822030 8 F1 6,964,360 0.9160 7,603,013 5 17 .017586731 9 F1 6,500,391 0.9666 6,725,006 4 5 .004178172 RANDOM TOTALS: 231,629,963 242,875,495 104 6,260 CATG J EXCEPTION VALUES: 26,401,357 28,918,609 CATG D1 EXCEPTION VALUES: 12,173,590 12,637,679 TOTAL TEST VALUES (4): 270,204,910 284,431,783 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 14,221,589 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 270,204,910 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 270,210,194 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 298,653,372 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 596,193,705 (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
