DATE: 06/29/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:24:35 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 245/Willacy VRSN: W 245-903/Raymondville ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 19,669,680 1.0050 19,571,821 11 1,064 .016733413 2 A 19,655,812 1.0237 19,200,754 11 620 .018241847 3 A 19,662,667 0.9993 19,676,441 10 427 .005743933 4 A 19,619,840 0.9935 19,748,203 10 237 .007584948 5 D3 14,792,300 1.0101 14,644,392 13 1,569 .021787732 6 F1 5,924,594 0.9809 6,039,957 8 135 .015404754 7 F1 5,947,356 0.9953 5,975,441 6 42 .001219419 8 F1 6,359,807 0.9570 6,645,566 5 17 .009303032 9 F1 5,251,116 0.9707 5,409,618 3 5 .002439039 10 G1 157,680,553 1.0080 156,429,120 18 39 .002742596 11 L1 4,108,500 1.0412 3,945,928 8 149 .065173488 12 L1 4,269,087 1.0452 4,084,469 6 31 .002774591 13 L1 4,076,105 1.0261 3,972,425 5 7 .001120278 RANDOM TOTALS: 287,017,417 285,344,135 114 4,342 CATG J EXCEPTION VALUES: 9,699,011 8,209,045 CATG D1 EXCEPTION VALUES: 14,591,027 16,800,900 CATG L1 EXCEPTION VALUES: 5,181,449 5,181,449 TOTAL TEST VALUES (4): 316,488,904 315,535,529 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 15,776,776 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 299,758,753 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 316,488,904 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 331,312,305 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 305,135,820 (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
