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2009 Confidence Interval Detail
070/Ellis
070-910/Palmer ISD

Category Summary

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

Stratum
Variance
A 39,779,220 1.0889 36,531,564 9 591 .042247566
A 40,882,009 1.0800 37,853,712 8 324 .009864239
A 37,864,150 1.0416 36,351,911 11 215 .003339677
A 36,880,831 0.9971 36,988,096 7 135 .001723890
D3 41,730,485 0.9667 43,167,979 10 1,164 .008403136
Random Totals: 197,136,695   190,893,262 45 2,429  
Catg D1 Exception Values: 3,754,273   3,056,759      
Total Test Values (4): 200,890,968   193,950,021      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,697,501

Confidence Interval Values (5)

State Lower Limit: 184,252,520 (State Test Value minus Margin of Error Percent)
Local Test Value: 200,890,968 (Within Confidence Interval)
State Upper Limit: 203,647,522 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 218,142,726 (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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