taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
091-901/Bells ISD

Category Summary

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

Stratum
Variance
A 27,814,649 0.9559 29,097,865 9 336 0.008422850
A 30,210,484 0.9636 31,351,685 7 216 0.008655020
A 33,578,568 0.9591 35,010,497 11 178 0.004409759
A 35,245,475 0.9919 35,533,295 6 121 0.001834691
E 84,442,154 1.0488 80,513,114 18 633 0.055216445
Random Totals: 211,291,330 211,506,456 51 1,484
CATG D1 EXCEPTION VALUES: 2,140,760 1,373,849
CATG J EXCEPTION VALUES: 6,573,437 7,183,728
Total Test Values(2) 220,005,527 220,064,033

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,003,202

Confidence Interval Values(5)

Local Test Value: 220,005,527 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 209,060,831 (State Test Value minus Margin of Error Percent)
State Upper Limit: 231,067,235 (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