taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
234/Van Zandt
234-903/Edgewood ISD

Category Summary

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

Stratum
Variance
A 20,426,300 0.9973 20,481,600 13 386 .033153478
A 17,087,300 0.9066 18,847,673 11 192 .008312975
A 24,207,210 0.9755 24,815,182 10 197 .010519973
A 30,084,300 1.0261 29,319,072 16 149 .011126954
E 105,765,300 0.9354 113,069,596 18 1,165 .051042338
G1 11,435,077 1.0508 10,882,258 8 22 .029799288
Random Totals: 209,005,487   217,415,381 76 2,111  
Catg D1 Exception Values: 4,378,690   3,377,156      
Catg G1 Exception Values: 2,860,770   2,855,991      
Total Test Values (4): 216,244,947   223,648,528      

Margin of Error

Margin of Error Percent: 5.5148872
Margin of Error Value: 12,333,964

Confidence Interval Values (5)

State Lower Limit: 211,314,564 (State Test Value minus Margin of Error Percent)
Local Test Value: 216,244,947 (Within Confidence Interval)
State Upper Limit: 235,982,492 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 207,838,341 (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