DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:43:28 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-905/Dallas ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,890,573,257 0.9994 7,895,310,443 84 91,421 .004731869 2 A 7,890,362,874 1.0104 7,809,147,738 93 42,710 .001884571 3 A 7,891,297,615 0.9946 7,934,141,982 99 21,297 .003377588 4 A 7,889,616,260 0.9925 7,949,235,526 96 7,362 .004718657 5 B 1,398,963,754 0.9971 1,403,032,548 88 5,486 .010601838 6 B 1,411,543,619 1.0000 1,411,543,619 10 330 7 B 1,377,942,903 0.9559 1,441,513,655 8 126 .007353288 8 B 1,391,459,792 0.9785 1,422,033,513 6 48 .009890364 9 C 373,508,737 0.7737 482,756,543 17 8,893 .108759552 10 C 377,184,146 0.9054 416,593,932 8 1,277 .009354306 11 C 370,389,726 0.7891 469,382,494 8 394 .032551883 12 C 372,718,143 1.0193 365,660,888 7 114 .006530422 13 F1 4,322,158,347 0.9898 4,366,698,673 91 6,047 .022699804 14 F1 4,321,460,182 0.9985 4,327,952,110 42 1,047 .051771096 15 F1 4,344,122,064 0.9546 4,550,724,978 19 261 .019666739 16 F1 4,297,799,180 0.9217 4,662,904,611 15 51 .008527640 17 L1 2,099,686,358 1.1839 1,773,533,540 7 9,245 .062520691 18 L1 2,099,651,637 0.9697 2,165,258,984 7 1,312 .046529352 19 L1 2,106,916,339 1.0140 2,077,826,764 7 337 .003001864 20 L1 2,090,637,568 0.9977 2,095,457,119 7 72 .000751375 RANDOM TOTALS: 64,317,992,501 65,020,709,660 719 197,830 CATG D1 EXCEPTION VALUES: 1,299,685 1,334,285 TOTAL TEST VALUES (4): 64,319,292,186 65,022,043,945 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 3,251,102,197 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 61,770,941,748 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 64,319,292,186 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 68,273,146,142 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 62,477,317,857 (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
