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2009 Confidence Interval Detail
161/McLennan
161-901/Crawford ISD

Category Summary

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

Stratum
Variance
A 15,595,669 0.8881 17,560,713 8 207 .034615235
A 14,322,813 0.9656 14,833,071 7 93 .017713046
A 20,737,997 1.0516 19,720,423 7 90 .026534970
A 16,617,243 1.0728 15,489,600 6 39 .006582094
D3 50,522,746 1.0126 49,894,081 21 1,449 .027129869
Random Totals: 117,796,468   117,497,888 49 1,878  
Catg D1 Exception Values: 6,984,569   5,826,135      
Total Test Values (4): 124,781,037   123,324,023      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,166,201

Confidence Interval Values (5)

State Lower Limit: 117,157,822 (State Test Value minus Margin of Error Percent)
Local Test Value: 124,781,037 (Within Confidence Interval)
State Upper Limit: 129,490,224 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 130,679,177 (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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