taxes Property Tax Assistance

2020 Confidence Interval Detail

Grayson County
091-909/Whitesboro ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 106,387,682 0.9583 111,017,095 33 1,337 0.021361265
A 122,613,717 0.9946 123,279,426 35 870 0.005445066
A 119,442,835 0.9808 121,781,031 30 546 0.004426806
A 140,235,347 0.9945 141,010,907 19 346 0.001939065
C1 27,235,424 0.9397 28,983,105 58 853 0.025716194
C1 16,193,939 1.0159 15,940,485 36 323 0.044892581
C1 11,281,693 0.9752 11,568,594 13 130 0.009948079
C1 6,033,183 1.0391 5,806,162 9 37 0.108624037
E 179,073,884 0.9944 180,082,345 29 914 0.016685744
F1 22,608,727 0.8541 26,470,820 16 127 0.088555937
F1 16,164,564 0.9049 17,863,371 13 30 0.012353722
F1 25,584,695 0.6777 37,752,243 12 23 1.215970135
Random Totals: 792,855,690 821,555,584 303 5,536
CATG D1 EXCEPTION VALUES: 3,730,989 1,935,365
CATG F1 EXCEPTION VALUES: 17,090,658 17,198,335
Total Test Values 813,677,337 840,689,284

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 42,034,464

Confidence Interval Values(5)

Local Test Value: 813,677,337 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 798,654,820 (State Test Value minus Margin of Error Percent)
State Upper Limit: 882,723,748 (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