DATE: 06/22/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:57:33 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-912/Prosper ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 93,621,514 0.9944 94,148,747 59 600 2 A 93,839,334 1.0198 92,017,390 56 450 3 A 93,471,056 1.0019 93,293,798 55 277 4 A 93,778,963 1.0061 93,210,380 18 161 5 D3 83,192,928 1.1162 74,532,277 10 32,943 6 F1 14,189,631 0.8565 16,566,995 8 109 7 F1 14,679,035 1.0468 14,022,769 9 40 8 F1 14,474,375 0.9363 15,459,121 5 13 9 F1 13,298,635 1.0471 12,700,444 3 5 RANDOM TOTALS: 514,545,471 505,951,921 223 34,598 CATG D1 EXCEPTION VALUES: 4,315,064 3,816,542 TOTAL TEST VALUES (4): 518,860,535 509,768,463 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 25,488,423 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 484,280,040 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 518,860,535 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 535,256,886 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 621,094,657 (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
