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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:07:50                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      W
                                                        161-924/Hallsburg ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A                4,139,211        1.0327             4,008,145               7               93         .010228908
      2           A                4,087,268        1.0051             4,066,529               7               59         .007686675
      3           A                4,101,054        1.0224             4,011,203               7               43         .000694916
      4           A                4,088,774        0.9611             4,254,265               6               27         .008578426
      5           D3              16,312,806        0.9822            16,608,436              27              583         .002150248
      6           L1               3,355,348        1.0203             3,288,590              15               52         .000078930
  RANDOM TOTALS:                  36,084,461                          36,237,168              69              857
  CATG J  EXCEPTION VALUES:        5,424,626                           7,058,458
  CATG D1 EXCEPTION VALUES:        1,303,183                           1,079,450
 TOTAL TEST VALUES (4):           42,812,270                          44,375,076
 MARGIN OF ERROR PERCENT:          5.0000005
 MARGIN OF ERROR VALUE:            2,218,754
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:             42,156,322 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:              42,812,270 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:             46,593,830 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):              65,187,736 (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