DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:37 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 091/Grayson VRSN: W 091-906/Sherman ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 198,700,512 1.0069 197,338,874 56 4,154 .019248997 2 A 198,713,301 0.9898 200,761,064 56 2,157 .004663612 3 A 198,733,299 0.9984 199,051,782 58 1,508 .002263957 4 A 198,604,831 0.9947 199,663,045 67 856 .004248315 5 B 24,768,028 0.9938 24,922,548 12 227 .007698488 6 B 29,640,228 1.0078 29,410,824 15 62 .008300792 7 B 24,555,348 0.8852 27,739,887 3 6 .017795299 8 F1 71,942,123 1.0237 70,276,568 17 425 .004720481 9 F1 72,372,157 0.8968 80,700,443 9 116 .044999872 10 F1 72,680,209 1.0252 70,893,688 9 37 .006329472 11 F1 69,904,000 0.8513 82,114,413 6 11 .043794492 12 L1 62,523,102 0.9318 67,099,272 7 603 .026530934 13 L1 62,399,022 1.0957 56,949,002 7 90 .061158561 14 L1 63,347,015 0.8462 74,860,571 6 23 .091804858 15 L1 60,687,204 0.9952 60,979,908 4 7 .000212949 RANDOM TOTALS: 1,409,570,379 1,442,761,889 332 10,282 CATG D1 EXCEPTION VALUES: 3,907,655 2,677,186 CATG B EXCEPTION VALUES: 15,318,855 15,608,000 TOTAL TEST VALUES (4): 1,428,796,889 1,461,047,075 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 73,052,354 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 1,387,994,721 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 1,428,796,889 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 1,534,099,429 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 1,727,114,823 (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
