taxes Property Tax Assistance

2016 Confidence Interval Detail

091/Grayson
091-905/Howe ISD

Category Summary

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

Stratum
Variance
A 27,827,124 0.8802 31,614,547 11 390 .022857944
A 32,152,690 0.9292 34,602,551 10 285 .031444196
A 45,268,217 1.0371 43,648,845 11 272 .023145839
A 63,465,999 0.9641 65,829,270 15 246 .004491297
E 49,560,161 1.0279 48,214,964 14 361 .026004413
F1 3,052,339 0.8547 3,571,240 8 33 .022329364
F1 2,807,369 0.8202 3,422,786 6 12 .124105976
F1 2,756,600 0.8798 3,133,212 6 6 .045260219
Random Totals: 226,890,499   234,037,415 81 1,605  
Catg J Exception Values: 12,377,029   12,919,863      
Catg D1 Exception Values: 5,574,489   4,851,711      
Catg F1 Exception Values: 3,625,323   4,067,940      
Total Test Values (4): 248,467,340   255,876,929      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,793,846

Confidence Interval Values (5)

State Lower Limit: 243,083,083 (State Test Value minus Margin of Error Percent)
Local Test Value: 248,467,340 (Within Confidence Interval)
State Upper Limit: 268,670,775 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 228,486,660 (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