DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:10:23 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 090/Gray VRSN: W 090-904/Pampa ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 278,646,640 0.9593 290,468,717 70 8,332 .040460099 2 D3 38,556,363 0.8954 43,060,490 21 2,115 .059913472 3 F1 90,589,850 1.0272 88,191,053 32 1,164 .164867192 4 G1 17,062,522 0.7271 23,466,541 7 110 .145357947 5 G1 17,247,370 1.0094 17,086,755 6 37 .011412060 6 G1 20,737,937 1.1029 18,803,098 4 11 .012901237 7 L1 120,087,114 1.0173 118,044,937 20 1,184 .006627279 RANDOM TOTALS: 582,927,796 599,121,591 160 12,953 CATG J EXCEPTION VALUES: 52,045,360 44,659,741 CATG D1 EXCEPTION VALUES: 15,606,770 18,102,162 CATG G1 EXCEPTION VALUES: 12,972,945 12,647,570 TOTAL TEST VALUES (4): 663,552,871 674,531,064 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 33,726,553 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 640,804,511 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 663,552,871 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 708,257,617 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 822,424,635 (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
