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2009 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 105,082,404 0.8851 118,723,765 14 1,601 .013114265
A 128,190,229 0.9676 132,482,667 19 1,585 .015324879
A 83,125,678 1.0372 80,144,310 9 853 .013068092
A 118,816,591 1.0320 115,132,356 8 731 .041948064
F1 28,971,137 1.0401 27,854,184 8 117 .032903261
F1 33,101,162 0.7485 44,223,329 6 43 .146432548
F1 24,574,614 0.8054 30,512,309 5 13 .057047240
G1 33,301,201 0.9213 36,145,882 6 28 .009895360
G1 32,105,140 1.0135 31,677,494 5 14 .000725390
G1 32,197,121 1.0476 30,734,174 4 10 .000731061
G1 31,863,526 1.0252 31,080,302 3 6 .001300180
L1 19,153,489 1.1235 17,048,054 8 87 .022582756
L1 14,104,742 1.1136 12,665,896 6 15 .014597365
L1 25,974,103 1.0273 25,283,854 4 10 .009290878
Random Totals: 710,561,137   733,708,576 105 5,113  
Catg J Exception Values: 30,296,746   29,769,997      
Catg D1 Exception Values: 350,771   355,339      
Catg F1 Exception Values: 39,315,056   42,079,900      
Catg L1 Exception Values: 47,717,432   42,314,519      
Total Test Values (4): 828,241,142   848,228,331      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 42,411,417

Confidence Interval Values (5)

State Lower Limit: 805,816,914 (State Test Value minus Margin of Error Percent)
Local Test Value: 828,241,142 (Within Confidence Interval)
State Upper Limit: 890,639,748 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,121,628,077 (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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