DATE: 01/30/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 08:10:18 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 101/Harris VRSN: W 101-912/Houston ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 11,127,377,609 0.9926 11,210,334,081 63 119,856 .006412883 2 A 11,127,656,187 0.9738 11,427,044,760 65 59,286 .005660467 3 A 11,119,107,586 0.9645 11,528,364,527 65 31,145 .007566637 4 A 11,124,536,556 0.9601 11,586,851,949 64 11,693 .004197659 5 B 1,694,875,822 0.8346 2,030,764,225 54 4,454 .111158409 6 B 1,691,968,801 0.8886 1,904,083,728 8 330 .038796421 7 B 1,703,961,033 0.9645 1,766,678,106 8 126 .016896703 8 B 1,679,956,717 0.9360 1,794,825,552 10 56 .025233186 9 C 431,427,898 0.8036 536,868,962 26 18,941 .178910209 10 C 432,399,994 0.8285 521,907,054 24 3,971 .021364797 11 C 430,846,836 0.7973 540,382,335 15 1,283 .340284735 12 C 431,005,424 0.7584 568,308,840 18 238 .399351667 13 D3 330,622,448 0.6723 491,778,147 12 466 .079773501 14 F1 4,673,560,943 0.6839 6,833,690,515 32 8,783 .245208200 15 F1 4,675,694,867 0.7128 6,559,616,817 13 1,287 .072983908 16 F1 4,697,340,781 0.8389 5,599,404,912 19 287 .048158649 17 F1 4,642,656,160 0.9000 5,158,506,844 11 55 .023497248 18 L1 2,021,889,580 0.9541 2,119,158,977 8 19,287 .005322299 19 L1 2,022,239,479 0.8679 2,330,037,423 7 2,502 .023466596 20 L1 2,021,711,903 0.9924 2,037,194,582 8 597 .001668168 21 L1 2,020,245,243 0.9560 2,113,227,242 7 110 .003992573 RANDOM TOTALS: 80,101,081,867 88,659,029,578 537 284,753 CATG D1 EXCEPTION VALUES: 1,019,512 972,075 TOTAL TEST VALUES (4): 80,102,101,379 88,660,001,653 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 4,433,000,083 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 80,102,101,379 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 84,227,001,570 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 93,093,001,736 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 77,992,794,622 (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
