taxes School and Appraisal Districts Property Value Study 2011 Report

School and Appraisal Districts Property Value Study 2011 Report

2011 Confidence Interval Detail
234/Van Zandt
234-906/Van ISD

Category Summary

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

Stratum
Variance
A 54,866,010 0.9137 60,048,167 14 1,004 .066776538
A 54,119,960 0.8708 62,149,701 8 626 .068641331
A 53,604,340 0.9434 56,820,373 8 440 .009549048
A 52,814,070 1.0014 52,740,234 8 285 .008141093
D3 213,925,480 0.9122 234,515,983 31 5,895 .043547892
G1 9,418,460 1.0095 9,329,827 8 35 .010745806
G1 9,643,183 1.0074 9,572,348 5 9 .003014367
G1 13,048,859 1.0009 13,037,126 3 5 .000449827
Random Totals: 461,440,362   498,213,759 85 8,299  
Catg D1 Exception Values: 11,868,980   7,513,306      
Catg G1 Exception Values: 30,351,000   29,045,933      
Total Test Values (4): 503,660,342   534,772,998      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,738,650

Confidence Interval Values (5)

Local Test Value: 503,660,342 (Outside Confidence Interval)
State Lower Limit: 508,034,348 (State Test Value minus Margin of Error Percent)
State Upper Limit: 561,511,648 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 502,709,510 (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