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2010 Confidence Interval Detail
127/Jones
221-904/Merkel ISD

Category Summary

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

Stratum
Variance
D3 23,177,200 0.8477 27,341,276 24 781 .153070071
G1 5,456,870 0.9851 5,539,407 7 22 .010167469
G1 5,249,290 1.0106 5,194,231 4 8 .002360264
G1 6,845,980 1.0392 6,587,741 4 5 .003391904
Random Totals: 40,729,340   44,662,655 39 816  
Catg J Exception Values: 97,732   133,286      
Catg D1 Exception Values: 5,453,080   5,540,477      
Catg G1 Exception Values: 3,790,280   3,618,676      
Total Test Values (4): 50,070,432   53,955,094      

Margin of Error

Margin of Error Percent: 8.1280055
Margin of Error Value: 4,385,473

Confidence Interval Values (5)

State Lower Limit: 49,569,621 (State Test Value minus Margin of Error Percent)
Local Test Value: 50,070,432 (Within Confidence Interval)
State Upper Limit: 58,340,567 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 47,991,890 (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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