taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
246/Williamson
246-905/Granger ISD

Category Summary

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

Stratum
Variance
A 9,795,214 0.9641 10,159,956 17 210 .008981632
A 11,812,256 0.9731 12,138,789 16 157 .007965043
A 13,640,895 0.9886 13,798,194 15 125 .002421906
A 14,190,427 0.9596 14,787,856 15 64 .031776217
E 42,682,602 0.9665 44,162,030 16 522 .008252655
F1 1,319,080 1.0911 1,208,945 7 20 .119606127
F1 2,697,332 0.9327 2,891,961 7 19 .048981009
F1 1,810,989 1.2325 1,469,362 4 6 .000288364
F1 1,524,668 1.1210 1,360,096 2 3 .006144729
Random Totals: 99,473,463   101,977,189 99 1,126  
Catg J Exception Values: 9,290,032   10,007,994      
Catg D1 Exception Values: 22,604,271   19,721,646      
Total Test Values (4): 131,367,766   131,706,829      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,585,341

Confidence Interval Values (5)

State Lower Limit: 125,121,488 (State Test Value minus Margin of Error Percent)
Local Test Value: 131,367,766 (Within Confidence Interval)
State Upper Limit: 138,292,170 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 128,572,684 (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