DATE: 01/23/2006 COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION PAGE: 1 TIME: 11:16:07 2005 CONFIDENCE INTERVAL DETAIL REPT: PTS428 110/Hockley VRSN: W 110-902/Levelland ISD ____________________________________________________________________________________________________________________________________ (1) (1) (1) (1) (1) (2) (3) # STRATUM CATEGORY LOCAL VALUE STRATUM RATIO STATE VALUE SAMPLE SIZE TOTAL PARCELS STRATUM VARIANCE _________ ________ ___________ _____________ ___________ ___________ _____________ ________________ 1 A 55,014,096 0.8184 67,221,525 62 1,864 .075335152 2 A 55,050,068 0.8714 63,174,280 54 874 .013381802 3 A 55,037,840 0.8778 62,699,749 40 618 .014662502 4 A 54,927,300 0.8286 66,289,283 25 392 .057762551 5 D3 19,657,168 1.0047 19,565,212 11 2,091 .159226225 6 F1 11,647,160 0.9118 12,773,810 7 290 .165503093 7 F1 11,671,380 0.9453 12,346,747 7 105 .087787975 8 F1 12,020,908 0.8455 14,217,514 6 43 .009965340 9 F1 11,146,689 0.8107 13,749,462 4 7 .044789872 10 G1 76,106,623 1.1197 67,970,548 6 57 .006812963 11 G1 74,273,271 1.0356 71,720,038 4 8 .000327593 12 G1 99,753,532 1.0826 92,142,557 3 4 .003390557 RANDOM TOTALS: 536,306,035 563,870,725 229 6,353 CATG D1 EXCEPTION VALUES: 22,243,027 14,194,072 CATG G1 EXCEPTION VALUES: 325,267,490 324,755,699 TOTAL TEST VALUES (4): 883,816,552 902,820,496 MARGIN OF ERROR PERCENT: 5.0000000 MARGIN OF ERROR VALUE: 45,141,025 CONFIDENCE INTERVAL VALUES (5): STATE LOWER LIMIT: 857,679,471 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT) LOCAL TEST VALUE: 883,816,552 (WITHIN CONFIDENCE INTERVAL) STATE UPPER LIMIT: 947,961,521 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT) VALUE ASSIGNED (6): 975,622,314 (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
