DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:13:14 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 237/Waller VRSN: W 101-914/Katy ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,079,003,648 0.9831 2,114,742,801 43 18,298 .002372604 2 A 2,071,185,569 0.9844 2,104,008,095 48 12,907 .005104124 3 A 2,074,759,522 0.9955 2,084,138,144 49 9,416 .003195279 4 A 2,074,679,275 0.9795 2,118,100,332 45 5,815 .002918626 5 B 107,150,930 0.7842 136,637,248 5 19 .071980655 6 B 102,883,711 0.8908 115,495,859 3 10 .013900468 7 B 116,018,865 0.8910 130,211,970 4 8 .026336457 8 C 92,136,838 0.1646 559,762,078 8 3,560 .308131913 9 C 89,427,975 0.6700 133,474,590 8 1,786 .153156553 10 C 90,701,067 0.7829 115,852,685 12 564 .167765219 11 C 90,722,523 0.7701 117,806,159 7 85 .238038628 12 D3 163,676,818 0.9898 165,363,526 21 1,728 .036225604 13 F1 508,524,561 0.7626 666,830,004 9 504 .057973710 14 F1 507,476,584 0.7233 701,612,863 7 117 .192851888 15 F1 552,452,591 0.8647 638,895,098 6 34 .009250140 16 F1 460,549,702 0.9780 470,909,716 3 5 .008443441 17 L1 205,371,140 1.0237 200,616,528 7 1,844 .016085646 18 L1 205,434,891 0.9153 224,445,418 12 240 .032369892 19 L1 206,242,620 0.9328 221,100,579 6 58 .005919365 20 L1 203,406,099 0.9741 208,814,392 5 17 .020118497 RANDOM TOTALS: 12,001,804,929 13,228,818,085 308 57,015 CATG D1 EXCEPTION VALUES: 8,219,697 8,219,697 CATG B EXCEPTION VALUES: 94,796,155 99,727,359 TOTAL TEST VALUES (4): 12,104,820,781 13,336,765,141 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 666,838,257 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 12,104,820,781 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 12,669,926,884 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 14,003,603,398 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 12,378,584,901 (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
