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2006 Confidence Interval Detail
161/McLennan
161-920/China Spring ISD

Category Summary

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

Stratum
Variance
A 68,663,072 0.9506 72,231,298 29 704 .016146758
A 68,710,140 0.9845 69,791,915 41 482 .003635009
A 68,791,897 0.9619 71,516,683 22 350 .003171699
A 68,433,589 0.9946 68,805,137 13 219 .002713186
B 12,910,637 0.9612 13,431,790 10 80 .000000301
B 12,796,234 0.9844 12,999,019 13 50 .000867604
D3 104,928,011 0.9841 106,623,322 36 2,071 .027485365
Random Totals: 405,233,580   415,399,164 164 3,956  
Catg D1 Exception Values: 2,912,899   2,827,757      
Total Test Values (4): 408,146,479   418,226,921      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,911,346

Confidence Interval Values (5)

State Lower Limit: 397,315,575 (State Test Value minus Margin of Error Percent)
Local Test Value: 408,146,479 (Within Confidence Interval)
State Upper Limit: 439,138,267 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 418,158,223 (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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