DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:43:49 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 057/Dallas VRSN: W 057-916/Richardson ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 2,183,641,685 1.0007 2,182,114,205 48 17,290 .001073171 2 A 2,183,724,771 1.0058 2,171,132,204 47 12,547 .002003319 3 A 2,183,722,167 1.0065 2,169,619,639 49 9,542 .000805539 4 A 2,183,802,745 0.9950 2,194,776,628 50 5,997 .001665307 5 B 282,600,661 1.0024 281,924,043 36 581 .039649802 6 B 280,113,606 0.9442 296,667,662 6 51 .004708819 7 B 288,585,964 0.8957 322,190,425 6 30 .023526368 8 B 268,458,361 0.9654 278,079,926 5 14 .001118888 9 F1 914,761,923 1.0061 909,215,707 19 779 .005943814 10 F1 918,608,289 0.9911 926,857,319 15 223 .007425971 11 F1 909,845,715 0.9329 975,287,507 15 87 .012139954 12 F1 910,842,858 0.9144 996,109,862 9 20 .004861456 13 L1 312,101,973 0.9851 316,822,630 9 2,118 .071993910 14 L1 312,259,085 1.0297 303,252,486 7 303 .015469255 15 L1 315,188,471 1.0028 314,308,407 7 92 .000521990 16 L1 308,681,897 0.9393 328,629,721 7 24 .006052532 RANDOM TOTALS: 14,756,940,171 14,966,988,371 335 49,698 CATG D1 EXCEPTION VALUES: 8,647 9,864 TOTAL TEST VALUES (4): 14,756,948,818 14,966,998,235 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 748,349,912 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 14,218,648,323 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 14,756,948,818 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 15,715,348,147 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 16,061,000,107 (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
