DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 158/Matagorda VRSN: W 158-904/Matagorda ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 27,660,905 0.9209 30,036,817 10 398 .318262986 2 A 27,528,121 0.8486 32,439,454 8 218 .056950251 3 A 27,661,447 0.8973 30,827,423 11 147 .023819201 4 A 27,513,453 0.9919 27,738,132 10 87 .016007153 5 C 3,996,068 0.8691 4,597,938 9 405 .042167283 6 C 4,187,480 0.8775 4,772,057 8 95 .024783142 7 C 4,101,561 1.0255 3,999,572 6 54 .038672451 8 C 3,617,274 1.0855 3,332,357 7 26 .024548869 9 D3 5,655,142 1.3478 4,195,832 9 955 1.758022144 RANDOM TOTALS: 131,921,451 141,939,582 78 2,385 CATG D1 EXCEPTION VALUES: 2,677,726 2,690,748 TOTAL TEST VALUES (4): 134,599,177 144,630,330 MARGIN OF ERROR PERCENT: 8.9280907 MARGIN OF ERROR VALUE: 12,912,727 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 131,717,603 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 134,599,177 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 157,543,057 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 147,249,508 (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
