DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:13:28 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 101/Harris VRSN: W 101-921/Tomball ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 499,023,318 0.9835 507,395,341 62 4,199 .014337610 2 A 497,675,192 0.9916 501,891,077 62 2,790 .003859571 3 A 498,390,676 0.9982 499,289,397 61 2,192 .003921914 4 A 497,689,909 0.9489 524,491,421 57 1,317 .012705155 5 F1 138,179,248 0.9167 150,735,517 8 305 .013957935 6 F1 139,700,693 0.9365 149,173,191 6 80 .020947308 7 F1 141,889,988 1.0106 140,401,730 7 27 .002570775 8 L1 46,206,635 0.9548 48,394,046 7 822 .041374185 9 L1 46,549,780 0.8825 52,747,626 7 160 .023299653 10 L1 48,669,812 0.8965 54,288,692 6 40 .015202693 11 L1 43,335,027 0.9789 44,269,105 3 6 .002257753 RANDOM TOTALS: 2,597,310,278 2,673,077,143 286 11,938 CATG D1 EXCEPTION VALUES: 13,447,756 13,264,522 CATG F1 EXCEPTION VALUES: 80,349,917 86,706,848 TOTAL TEST VALUES (4): 2,691,107,951 2,773,048,513 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 138,652,426 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 2,634,396,087 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 2,691,107,951 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 2,911,700,939 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 3,287,342,635 (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
