DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:00:18 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 127/Jones VRSN: W 127-906/Stamford ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 7,758,000 0.9111 8,514,982 19 572 .008778793 2 A 7,741,178 0.9729 7,956,807 15 283 .004460984 3 A 7,727,521 0.9563 8,080,645 18 161 .013531250 4 A 7,733,564 1.0289 7,516,342 13 88 .008732538 5 D3 4,968,684 0.9578 5,187,601 17 85,648 .010316679 6 F1 1,897,527 0.8900 2,132,053 7 109 .031164902 7 F1 1,863,759 0.8711 2,139,547 6 31 .010241941 8 F1 2,177,918 0.9708 2,243,426 6 9 .004520668 9 L1 1,171,852 0.9695 1,208,718 8 63 .018098505 10 L1 1,223,408 0.9631 1,270,281 5 20 .005739703 11 L1 1,206,622 1.0001 1,206,501 3 6 .001263830 RANDOM TOTALS: 45,470,033 47,456,903 117 86,990 CATG J EXCEPTION VALUES: 6,413,942 6,438,626 CATG D1 EXCEPTION VALUES: 10,263,451 9,843,622 CATG F1 EXCEPTION VALUES: 1,521,340 1,563,315 CATG L1 EXCEPTION VALUES: 850,941 716,448 TOTAL TEST VALUES (4): 64,519,707 66,018,914 MARGIN OF ERROR PERCENT: 5.0000005 MARGIN OF ERROR VALUE: 3,300,946 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 62,717,968 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 64,519,707 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 69,319,860 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 61,202,695 (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
