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2011 Confidence Interval Detail
220/Tarrant
220-904/Everman ISD

Category Summary

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

Stratum
Variance
A 105,427,233 1.0003 105,395,614 15 2,083 .126843480
A 111,356,172 0.9734 114,399,190 15 1,583 .008059721
A 107,999,805 1.0040 107,569,527 15 1,238 .008302968
A 99,886,419 0.9203 108,536,802 15 635 .025705872
F1 31,679,566 0.9793 32,349,194 9 117 .024227577
F1 27,639,697 0.8425 32,806,762 8 33 .011123666
F1 39,510,859 0.7719 51,186,500 6 19 .114938831
F1 19,574,183 0.8984 21,787,826 4 4 .095002046
G1 24,305,506 1.0455 23,247,734 9 38 .020753383
G1 24,174,262 1.0245 23,596,156 6 18 .003470920
G1 22,334,719 0.9978 22,383,964 5 9 .005483116
G1 23,189,150 1.0031 23,117,486 4 7 .006449277
L1 17,234,339 1.0433 16,519,064 9 75 .003831522
L1 20,654,847 0.9505 21,730,507 7 21 .015324345
L1 18,402,345 0.9749 18,876,136 4 6 .040183387
Random Totals: 693,369,102   723,502,462 131 5,886  
Catg J Exception Values: 5,868,769   5,485,713      
Catg D1 Exception Values: 386,541   300,813      
Catg L1 Exception Values: 40,215,867   39,800,169      
Total Test Values (4): 739,840,279   769,089,157      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 38,454,458

Confidence Interval Values (5)

State Lower Limit: 730,634,699 (State Test Value minus Margin of Error Percent)
Local Test Value: 739,840,279 (Within Confidence Interval)
State Upper Limit: 807,543,615 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,058,482,205 (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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