DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:15 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-908/Melissa ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 41,973,687 0.9915 42,333,522 43 392 .002097976 2 A 41,310,584 1.0217 40,433,184 17 192 .004923513 3 A 41,670,407 1.0078 41,347,893 12 139 .003272377 4 A 41,434,212 0.9958 41,608,970 7 91 .000459733 5 D3 32,353,977 0.9702 33,347,740 14 968 .049215414 6 F1 5,796,040 0.8538 6,788,522 5 25 .039360201 7 F1 5,511,443 0.9918 5,557,010 4 11 .005819954 8 F1 6,587,600 0.9418 6,994,691 4 6 .002324982 9 L1 3,161,244 0.9163 3,450,010 6 38 .028455715 10 L1 3,600,337 0.9902 3,635,970 4 8 .001268446 11 L1 5,709,857 0.9554 5,976,405 3 5 .011191829 RANDOM TOTALS: 229,109,388 231,473,917 119 1,875 CATG J EXCEPTION VALUES: 28,210 29,281 CATG D1 EXCEPTION VALUES: 1,709,555 1,507,869 CATG F1 EXCEPTION VALUES: 3,465,432 3,380,094 TOTAL TEST VALUES (4): 234,312,585 236,391,161 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 11,819,558 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 224,571,603 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 234,312,585 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 248,210,719 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 274,745,260 (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
