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DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 11:06:56                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              161/McLennan                                              VRSN:      W
                                                        161-903/Midway ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              319,184,755        0.9480           336,692,780              54            3,358         .010192714
      2           A              319,128,548        0.9602           332,356,330              52            2,479         .007344244
      3           A              319,258,440        0.9746           327,578,945              60            1,812         .005333433
      4           A              318,926,583        0.9663           330,049,242              53            1,010         .001945382
      5           B               30,020,627        0.8573            35,017,645               7              304         .011012676
      6           B               29,598,316        0.8776            33,726,431               9              212         .012106819
      7           B               31,675,017        0.9682            32,715,366               6               51         .005968186
      8           B               27,610,621        0.9622            28,695,303               2                3         .000041287
      9           F1              58,965,251        1.0248            57,538,301               8              248         .001319720
     10           F1              58,866,299        1.0026            58,713,644               7               95         .000910428
     11           F1              58,537,512        0.9727            60,180,438               6               41         .008044870
     12           F1              58,011,593        0.9846            58,918,945               6               15         .001326466
     13           L1              50,364,530        0.9913            50,806,547               7              452         .001985993
     14           L1              50,630,156        1.0306            49,126,874               8              112         .002410317
     15           L1              51,491,181        1.0139            50,785,266               6               40         .003424656
     16           L1              48,504,631        1.0194            47,581,549               5               14         .002474110
  RANDOM TOTALS:               1,830,774,060                       1,890,483,606             296           10,246
  CATG D1 EXCEPTION VALUES:        5,346,706                           5,958,154
 TOTAL TEST VALUES (4):        1,836,120,766                       1,896,441,760
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:           94,822,088
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          1,801,619,672 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           1,836,120,766 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          1,991,263,848 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           2,472,773,053 (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