taxes Property Tax Assistance

2018 Confidence Interval Detail

091/Grayson
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 303,200,702 0.9493 319,393,977 91 4230 0.019428023
A 357,732,134 0.9410 380,161,673 121 2821 0.018293649
A 351,704,296 0.9695 362,768,743 108 1942 0.003862200
A 404,285,299 0.9801 412,493,928 84 1350 0.004032556
B 54,372,106 0.9269 58,660,164 12 252 0.007594132
B 44,121,674 0.6188 71,301,994 5 11 0.012714896
B 41,421,780 0.6331 65,426,915 5 7 0.106919834
F1 181,142,782 0.8766 206,642,462 24 476 0.038341189
F1 194,415,974 0.9050 214,824,281 11 108 0.054048909
F1 189,917,419 1.0661 178,142,218 10 33 0.038414554
F1 140,119,118 1.0928 128,220,276 4 6 0.024538823
L1 57,808,742 0.9568 60,418,836 11 631 0.062338862
L1 59,395,469 1.0611 55,975,374 10 117 0.009894904
L1 52,403,874 1.0793 48,553,575 9 35 0.042452734
L1 57,712,328 1.0496 54,985,069 5 11 0.012935207
Random Totals: 2,489,753,697 2,617,969,485 510 12,030
CATG D1 EXCEPTION VALUES: 2,477,524 1,744,258
Total Test Values(1) 2,492,231,221 2,619,713,743

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 130,985,687

Confidence Interval Values(5)

Local Test Value: 2,492,231,221 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 2,488,728,056 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,750,699,430 (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