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2008 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 61,369,869 0.9462 64,859,299 39 630 .010295335
A 89,684,275 0.9837 91,170,352 68 656 .004826597
A 97,185,414 0.9701 100,180,821 51 534 .005768413
A 105,909,343 1.0232 103,507,958 17 344 .007182925
B 14,167,540 0.9870 14,354,144 14 92 .000889175
B 1,947,930 1.0032 1,941,717 9 10 .000368928
D3 107,591,233 0.9450 113,853,157 28 1,810 .035642350
Random Totals: 477,855,604   489,867,448 226 4,076  
Catg D1 Exception Values: 2,837,092   2,261,710      
Catg B Exception Values: 8,582,504   8,485,000      
Total Test Values (4): 489,275,200   500,614,158      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,030,708

Confidence Interval Values (5)

State Lower Limit: 475,583,450 (State Test Value minus Margin of Error Percent)
Local Test Value: 489,275,200 (Within Confidence Interval)
State Upper Limit: 525,644,866 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 489,005,511 (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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