taxes Property Tax Assistance

2020 Confidence Interval Detail

Grayson County
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 28,641,783 0.8911 32,142,053 14 331 0.044540751
A 39,172,462 0.9932 39,440,658 12 267 0.002248920
A 48,812,092 0.9499 51,386,559 11 229 0.012712224
A 34,202,521 1.1159 30,650,167 9 74 0.015177794
E 105,430,867 0.9663 109,107,800 13 473 0.010650446
F1 4,625,837 0.9061 5,105,217 9 44 0.014605422
F1 5,719,656 0.8887 6,435,981 6 19 0.004315848
F1 5,359,908 0.9144 5,861,667 5 7 0.027935117
F1 3,432,890 0.9716 3,533,085 2 3 0.000047810
Random Totals: 275,398,016 283,663,187 81 1,447
CATG D1 EXCEPTION VALUES: 2,517,533 1,483,574
CATG J EXCEPTION VALUES: 7,637,838 9,324,962
Total Test Values 285,553,387 294,471,723

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,723,586

Confidence Interval Values(5)

Local Test Value: 285,553,387 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 279,748,137 (State Test Value minus Margin of Error Percent)
State Upper Limit: 309,195,309 (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