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2007 Confidence Interval Detail
112/Hopkins
112-905/Cumby ISD

Category Summary

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

Stratum
Variance
A 4,488,660 1.0012 4,483,280 8 125 .027214314
A 4,465,748 0.9578 4,662,506 7 76 .038870467
A 4,473,754 0.9862 4,536,356 6 55 .001462859
A 4,455,104 0.9609 4,636,387 6 38 .010005243
D3 28,810,380 0.9359 30,783,609 20 1,126 .047747794
Random Totals: 46,693,646   49,102,138 47 1,420  
Catg J Exception Values: 5,056,686   5,064,902      
Catg D1 Exception Values: 3,525,800   3,126,533      
Total Test Values (4): 55,276,132   57,293,573      

Margin of Error

Margin of Error Percent: 5.4828593
Margin of Error Value: 3,141,326

Confidence Interval Values (5)

State Lower Limit: 54,152,247 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,276,132 (Within Confidence Interval)
State Upper Limit: 60,434,899 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 49,922,518 (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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