taxes Property Tax Assistance

2017 Confidence Interval Detail

198/Robertson
198-903/Franklin ISD

Category Summary

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

Stratum
Variance
A 34,555,334 0.8125 42,529,642 14 386 .043966371
A 35,021,872 0.8964 39,069,469 13 219 .027599650
A 41,814,343 0.9510 43,968,815 9 195 .023710203
A 54,533,948 1.0913 49,971,546 9 168 .055260056
E 193,593,351 0.8461 228,806,703 21 1,855 .057775467
G1 72,660,817 1.0450 69,531,882 10 309 .007233010
G1 72,002,941 1.0233 70,363,472 8 47 .003019754
G1 76,626,080 1.0269 74,618,833 7 21 .005241994
G1 67,745,214 1.0178 66,560,438 4 6 .002788129
Random Totals: 648,553,900   685,420,800 95 3,206  
Catg J Exception Values: 22,092,958   22,378,734      
Catg D1 Exception Values: 14,346,847   12,342,464      
Total Test Values (4): 684,993,705   720,141,998      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 36,007,099

Confidence Interval Values (5)

State Lower Limit: 684,134,899 (State Test Value minus Margin of Error Percent)
Local Test Value: 684,993,705 (Within Confidence Interval)
State Upper Limit: 756,149,097 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,691,265,832 (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, 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
(6) Includes local value of unstudied property categories and sub-categories