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2009 Confidence Interval Detail
116/Hunt
199-902/Royse City ISD

Category Summary

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

Stratum
Variance
A 24,803,960 0.9930 24,978,812 14 283 .002297526
A 25,233,878 1.0018 25,188,539 17 172 .002631504
A 22,362,223 1.0029 22,297,560 7 109 .005585197
A 18,491,940 1.0506 17,601,314 6 63 .018957148
C 8,127,010 0.8884 9,147,918 6 302 .015896641
C 2,132,100 1.0620 2,007,627 7 59 .001827161
C 1,875,640 0.9650 1,943,668 6 45 .020167390
C 2,916,290 1.0642 2,740,359 6 38 .014303634
D3 69,256,869 0.9907 69,907,004 20 1,049 .038257431
Random Totals: 175,199,910   175,812,801 89 2,120  
Catg D1 Exception Values: 1,011,050   1,009,234      
Total Test Values (4): 176,210,960   176,822,035      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 8,841,102

Confidence Interval Values (5)

State Lower Limit: 167,980,933 (State Test Value minus Margin of Error Percent)
Local Test Value: 176,210,960 (Within Confidence Interval)
State Upper Limit: 185,663,137 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 184,265,647 (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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