Skip to content
Quick Start for:

DATE: 06/29/2006                         COMPTROLLER OF PUBLIC ACCOUNTS - PROPERTY TAX DIVISION                         PAGE:      1
TIME: 10:43:37                                       2005 CONFIDENCE INTERVAL DETAIL                                    REPT: PTS428
                                                              057/Dallas                                                VRSN:      W
                                                        057-910/Grand Prairie ISD
____________________________________________________________________________________________________________________________________
    (1)           (1)                (1)              (1)                (1)              (2)            (3)
 # STRATUM     CATEGORY          LOCAL VALUE     STRATUM RATIO       STATE VALUE     SAMPLE SIZE    TOTAL PARCELS   STRATUM VARIANCE
 _________     ________          ___________     _____________       ___________     ___________    _____________   ________________

      1           A              622,704,201        0.9551           651,978,014              43            7,725         .013767191
      2           A              621,644,268        0.9659           643,590,711              48            5,833         .003880727
      3           A              622,141,693        0.9837           632,450,638              46            4,571         .005168945
      4           A              621,985,489        1.0197           609,969,098              49            3,180         .004919884
      5           B               63,084,283        0.9961            63,331,275              41              919         .004132882
      6           B               61,426,161        0.9993            61,469,189               9               52         .001101959
      7           B               63,868,720        0.9163            69,702,848               4                8         .003953899
      8           B               58,915,988        0.9897            59,529,138               3                4         .002292085
      9           F1             142,880,779        0.9784           146,035,138               7              480         .002326222
     10           F1             144,918,108        0.9032           160,449,632               7              115         .079822531
     11           F1             144,661,748        0.9301           155,533,543               6               33         .028809740
     12           F1             138,902,296        0.9885           140,518,256               5               13         .001662943
     13           L1              91,328,102        1.3904            65,684,768               7              519         .070602035
     14           L1              92,055,186        1.0863            84,741,955               7               79         .009294213
     15           L1              92,321,744        0.8776           105,197,976               7               26         .171318420
  RANDOM TOTALS:               3,582,838,766                       3,650,182,179             289           23,557
  CATG D1 EXCEPTION VALUES:          179,838                             171,039
  CATG L1 EXCEPTION VALUES:      101,551,690                          98,912,587
 TOTAL TEST VALUES (4):        3,684,570,294                       3,749,265,805
 MARGIN OF ERROR PERCENT:          5.0000000
 MARGIN OF ERROR VALUE:          187,463,290
 CONFIDENCE INTERVAL VALUES (5):
   STATE LOWER LIMIT:          3,561,802,515 (STATE TEST VALUE MINUS MARGIN OF ERROR PERCENT)
   LOCAL TEST VALUE:           3,684,570,294 (WITHIN CONFIDENCE INTERVAL)
   STATE UPPER LIMIT:          3,936,729,095 (STATE TEST VALUE PLUS MARGIN OF ERROR PERCENT)
 VALUE ASSIGNED (6):           3,958,049,225 (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