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2010 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 101,631,631 0.9650 105,317,752 32 877 .013067120
A 100,278,914 1.0058 99,700,650 32 653 .004691556
A 98,275,854 1.0442 94,115,930 13 472 .012882578
A 96,334,342 0.9602 100,327,371 10 294 .005267260
B 2,726,745 1.0092 2,701,888 9 18 .000942690
B 18,988,073 1.0188 18,637,685 15 114 .000238363
D3 113,576,971 1.0383 109,387,432 20 1,924 .011660833
Random Totals: 531,812,530   530,188,708 131 4,352  
Catg J Exception Values: 6,789,847   7,546,373      
Catg D1 Exception Values: 3,259,442   2,846,726      
Catg B Exception Values: 7,250,000   7,475,000      
Total Test Values (4): 549,111,819   548,056,807      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 27,402,840

Confidence Interval Values (5)

State Lower Limit: 520,653,967 (State Test Value minus Margin of Error Percent)
Local Test Value: 549,111,819 (Within Confidence Interval)
State Upper Limit: 575,459,647 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 530,530,986 (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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