Quick Start for:

2008 Confidence Interval Detail
139/Lamar
139-908/Roxton ISD

Category Summary

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

Stratum
Variance
A 2,332,260 0.9048 2,577,653 13 112 .032789280
A 3,090,760 1.0109 3,057,434 14 78 .015962535
A 2,673,270 1.0027 2,666,072 12 48 .009211696
A 6,017,110 1.0344 5,817,005 10 64 .005056166
D3 14,662,860 1.0654 13,762,775 20 1,274 .040093506
Random Totals: 28,776,260   27,880,939 69 1,576  
Catg J Exception Values: 3,808,940   3,911,985      
Catg D1 Exception Values: 6,378,631   6,407,994      
Total Test Values (4): 38,963,831   38,200,918      

Margin of Error

Margin of Error Percent: 5.0000003
Margin of Error Value: 1,910,046

Confidence Interval Values (5)

State Lower Limit: 36,290,872 (State Test Value minus Margin of Error Percent)
Local Test Value: 38,963,831 (Within Confidence Interval)
State Upper Limit: 40,110,964 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,328,280 (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

Required Plug-ins