taxes Property Tax Assistance

2020 Confidence Interval Detail

Grayson County
091-914/S and S CISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 66,127,825 0.9887 66,883,610 13 611 0.023549300
A 77,876,483 0.9634 80,835,046 12 366 0.015159684
A 72,873,811 0.9862 73,893,542 21 246 0.008471810
A 92,704,975 0.9896 93,679,239 14 199 0.003610886
E 122,725,521 0.9687 126,690,948 25 728 0.044147703
G1 9,797,453 1.0106 9,694,689 8 39 0.007266631
G1 9,697,397 1.0095 9,606,139 6 14 0.000383106
G1 9,361,589 1.0458 8,951,605 5 8 0.004972290
Random Totals: 461,165,054 470,234,818 104 2,211
CATG D1 EXCEPTION VALUES: 5,408,245 2,963,221
CATG G1 EXCEPTION VALUES: 9,071,974 8,355,925
CATG J EXCEPTION VALUES: 19,400,242 19,618,175
Total Test Values 495,045,515 501,172,139

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 25,058,607

Confidence Interval Values(5)

Local Test Value: 495,045,515 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 476,113,532 (State Test Value minus Margin of Error Percent)
State Upper Limit: 526,230,746 (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