taxes Property Tax Assistance

2016 Confidence Interval Detail

091/Grayson
091-913/Pottsboro ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 125,529,804 1.0097 124,323,863 43 1,588 .002235788
A 132,159,144 0.9997 132,198,804 25 865 .002540819
A 167,217,244 0.9995 167,300,894 41 704 .002345487
A 163,048,148 0.9901 164,678,465 22 366 .003555699
E 91,234,090 1.0610 85,988,775 14 658 .022872075
F1 17,390,964 0.8968 19,392,244 9 121 .035900945
F1 18,426,565 0.7991 23,059,148 9 33 .072620912
F1 13,024,364 0.8465 15,386,136 7 7 .031072117
F1 22,399,989 1.0359 21,623,698 2 5 .001333754
G1 6,490,532 1.0091 6,432,001 8 27 .009192407
G1 6,472,468 1.0006 6,468,587 5 11 .014358165
G1 7,624,471 1.0425 7,313,641 4 6 .006372232
Random Totals: 771,017,783   774,166,256 189 4,391  
Catg D1 Exception Values: 2,228,473   1,705,228      
Catg G1 Exception Values: 11,986,878   11,697,139      
Total Test Values (4): 785,233,134   787,568,623      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 39,378,431

Confidence Interval Values (5)

State Lower Limit: 748,190,192 (State Test Value minus Margin of Error Percent)
Local Test Value: 785,233,134 (Within Confidence Interval)
State Upper Limit: 826,947,054 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 818,825,232 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories