DATE: 02/10/2005 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 12:15:22 2004 CONFIDENCE INTERVAL DETAIL REPT: PTS428 170/Montgomery VRSN: P 170-902/Conroe ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS _________ ________ ___________ _____________ ___________ ___________ _____________ 1 A 1,911,295,576 0.8903 2,146,799,479 26 19,575 2 A 1,911,142,354 0.9524 2,006,659,339 27 11,678 3 A 1,911,358,391 0.9407 2,031,846,913 26 7,465 4 A 1,911,127,408 0.9878 1,934,731,128 25 3,598 5 B 73,315,268 0.9983 73,440,116 6 27 6 B 72,072,988 1.0045 71,750,112 7 14 7 B 69,549,740 0.9012 77,174,589 4 9 8 B 68,244,540 0.9030 75,575,349 3 5 9 C 129,850,063 0.8784 147,825,664 82 7,513 10 C 129,894,044 0.8977 144,696,495 7 2,412 11 C 129,866,685 0.9573 135,659,339 8 451 12 C 129,644,022 0.9760 132,831,990 8 99 13 F1 470,937,511 1.0055 468,361,523 11 912 14 F1 474,449,972 0.8930 531,298,961 12 187 15 F1 471,156,097 0.9315 505,803,647 10 57 16 F1 465,352,988 0.9678 480,835,904 6 13 17 L1 242,972,266 0.9986 243,312,904 7 2,539 18 L1 244,169,060 0.9054 269,680,870 8 404 19 L1 243,920,614 0.9102 267,985,733 7 86 20 L1 240,414,010 1.0133 237,258,472 5 16 RANDOM TOTALS: 11,300,733,597 11,983,528,527 295 57,060 CATG D1 EXCEPTION VALUES: 55,963,631 55,342,616 TOTAL TEST VALUES (4): 11,356,697,228 12,038,871,143 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 601,943,557 CONFIDENCE INTERVAL VALUES (5): LOCAL TEST VALUE: 11,356,697,228 (OUTSIDE CONFIDENCE INTERVAL) STATE LOWER LIMIT: 11,436,927,586 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) STATE UPPER LIMIT: 12,640,814,700 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 11,759,584,391 (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
