taxes Property Tax Assistance

2020 Confidence Interval Detail

Grayson County
091-906/Sherman ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 363,737,352 0.9577 379,803,020 60 4,353 0.025500616
A 450,381,049 0.9578 470,224,524 67 3,144 0.009233763
A 445,875,301 1.0035 444,320,180 68 2,194 0.004448855
A 491,645,412 1.0092 487,163,508 69 1,484 0.003629252
B 66,454,076 1.0025 66,288,355 10 275 0.007419969
B 49,978,998 0.7501 66,629,780 6 12 0.002484420
B 47,657,358 0.6830 69,776,512 5 7 0.059481871
B 78,815,580 0.8766 89,910,541 3 6 0.020212269
F1 200,530,430 0.9268 216,368,612 15 509 0.047872338
F1 206,679,619 0.8238 250,885,675 15 119 0.165872862
F1 207,233,828 0.9993 207,378,993 13 41 0.114992249
F1 181,400,051 1.0052 180,461,650 7 10 0.072242298
L1 67,051,218 1.0863 61,724,402 12 493 0.015771946
L1 63,519,099 0.9959 63,780,599 12 97 0.009991702
L1 64,768,251 1.0341 62,632,483 8 31 0.001982586
L1 75,610,871 1.0151 74,486,130 5 11 0.000595619
Random Totals: 3,061,338,493 3,191,834,964 375 12,786
CATG D1 EXCEPTION VALUES: 2,249,810 1,243,763
Total Test Values 3,063,588,303 3,193,078,727

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 159,653,936

Confidence Interval Values(5)

Local Test Value: 3,063,588,303 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,033,424,791 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,352,732,663 (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