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 0.048308302
A 31,295,148 1.0079 31,049,854 12 258 0.004820255
A 33,636,362 1.0050 33,469,017 10 193 0.001327125
A 36,507,624 0.9687 37,687,234 6 103 0.006482103
E 86,263,044 0.9824 87,808,473 18 524 0.004053234
F1 4,502,613 0.8669 5,193,924 13 54 0.102256379
F1 3,806,092 0.8417 4,521,910 8 14 0.112531235
F1 3,166,877 1.0927 2,898,213 4 5 0.050006185
Random Totals: 221,338,978 225,978,344 81 1,463
CATG D1 EXCEPTION VALUES: 2,656,100 1,938,444
CATG F1 EXCEPTION VALUES: 3,132,827 3,376,163
CATG J EXCEPTION VALUES: 8,044,964 5,022,401
Total Test Values(3) 235,172,869 236,315,352

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,815,768

Confidence Interval Values(5)

Local Test Value: 235,172,869 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 224,499,584 (State Test Value minus Margin of Error Percent)
State Upper Limit: 248,131,120 (State Test Value plus Margin of Error Percent)

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