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2011 Confidence Interval Detail
061/Denton
061-905/Krum ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 51,285,751 1.0029 51,137,452 15 551 .007406446
A 69,608,781 1.0077 69,076,889 22 565 .002340662
A 64,435,927 1.0015 64,339,418 16 441 .005686831
A 58,063,690 0.9966 58,261,780 10 249 .002980871
D3 103,237,615 1.0391 99,352,916 18 2,245 .004498797
G1 59,062,055 1.0049 58,774,062 10 211 .053996368
G1 58,886,638 1.0101 58,297,830 9 106 .005403989
G1 59,448,954 0.9804 60,637,448 9 60 .005936398
G1 57,963,185 1.0042 57,720,758 8 30 .015894191
Random Totals: 581,992,596   577,598,553 117 4,458  
Catg D1 Exception Values: 4,487,987   4,328,716      
Total Test Values (4): 586,480,583   581,927,269      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,096,363

Confidence Interval Values (5)

State Lower Limit: 552,830,906 (State Test Value minus Margin of Error Percent)
Local Test Value: 586,480,583 (Within Confidence Interval)
State Upper Limit: 611,023,632 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 693,071,587 (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
(6) Includes local value of unstudied property categories and sub-categories

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