DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 10:41:18 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 043/Collin VRSN: W 043-910/Plano ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 4,509,963,416 1.0111 4,460,452,394 80 28,384 .002114203 2 A 4,509,784,445 1.0035 4,494,055,252 82 20,825 .001011464 3 A 4,509,672,666 1.0053 4,485,897,410 81 14,847 .001092847 4 A 4,509,610,899 1.0042 4,490,749,750 79 7,425 .002511135 5 B 525,531,551 1.0006 525,216,421 15 221 .000124642 6 B 531,133,847 1.0092 526,291,961 7 40 .027435844 7 B 521,435,951 1.0373 502,685,772 6 28 .006733078 8 B 508,064,848 0.9552 531,893,685 6 18 .025572826 9 C 66,433,624 0.8792 75,561,447 8 941 .045185208 10 C 66,204,314 0.9595 68,998,764 7 152 .003083701 11 C 67,856,671 1.0195 66,558,775 7 60 .002885158 12 C 64,704,123 0.9961 64,957,457 5 17 .000298095 13 D3 282,658,240 0.9371 301,630,818 10 966 .026788566 14 F1 1,414,474,632 0.8502 1,663,696,344 21 813 .091246679 15 F1 1,410,297,779 0.7463 1,889,719,656 13 214 .591531455 16 F1 1,452,368,287 0.9303 1,561,182,723 10 83 .033644817 17 F1 1,364,059,370 0.8535 1,598,194,927 6 25 .022192380 18 L1 453,831,645 0.9678 468,931,231 7 2,550 .007944849 19 L1 454,146,465 0.9429 481,648,600 7 286 .012882342 20 L1 455,539,999 0.9563 476,356,791 6 69 .004037318 21 L1 449,443,867 0.9948 451,793,192 5 19 .002968115 RANDOM TOTALS: 28,127,216,639 29,186,473,370 468 77,983 CATG D1 EXCEPTION VALUES: 1,875,696 1,767,986 TOTAL TEST VALUES (4): 28,129,092,335 29,188,241,356 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 1,459,412,068 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 27,728,829,288 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 28,129,092,335 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 30,647,653,424 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 28,921,415,823 (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
