DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:51:00 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 092/Gregg VRSN: W 092-908/White Oak ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 37,309,190 0.8867 42,076,452 10 516 .015715744 2 A 37,204,075 0.9431 39,448,706 15 354 .008216293 3 A 37,237,544 0.9456 39,379,805 8 283 .005364664 4 A 37,160,578 0.9726 38,207,462 33 181 .007492473 5 D3 14,038,590 1.0355 13,557,306 10 962 .137654510 6 G1 18,523,220 0.9840 18,824,411 6 90 .004050298 7 G1 18,256,820 1.0004 18,249,520 6 30 .000693276 8 G1 18,235,240 1.0492 17,380,137 5 21 .002843761 9 G1 17,918,660 0.9827 18,234,110 5 13 .002511496 RANDOM TOTALS: 235,883,917 245,357,909 98 2,450 CATG D1 EXCEPTION VALUES: 772,670 772,310 TOTAL TEST VALUES (4): 236,656,587 246,130,219 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 12,306,511 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 233,823,708 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 236,656,587 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 258,436,730 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 269,565,027 (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
