taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
091-910/Whitewright ISD

Category Summary

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

Stratum
Variance
A 22,161,218 0.9491 23,349,719 10 312 .048308302
A 31,295,148 1.0079 31,049,854 12 258 .004820255
A 33,636,362 1.0050 33,469,017 10 193 .001327125
A 36,507,624 0.9687 37,687,234 6 103 .006482103
E 86,263,044 0.9824 87,808,473 18 524 .004053234
F1 4,502,613 0.8669 5,193,924 13 54 .102256379
F1 3,806,092 0.8417 4,521,910 8 14 .112531235
F1 3,166,877 1.0927 2,898,213 4 5 .050006185
Random Totals: 221,338,978   225,978,344 81 1,463  
Catg J Exception Values: 8,044,964   8,461,681      
Catg D1 Exception Values: 2,656,100   1,938,444      
Catg F1 Exception Values: 3,132,827   3,376,163      
Total Test Values (4): 235,172,869   239,754,632      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,987,731

Confidence Interval Values (5)

State Lower Limit: 227,766,901 (State Test Value minus Margin of Error Percent)
Local Test Value: 235,172,869 (Within Confidence Interval)
State Upper Limit: 251,742,363 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 214,406,153 (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, D2, E, 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