taxes Property Tax Assistance

2017 Confidence Interval Detail

061/Denton
061-911/Northwest ISD

Category Summary

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

Stratum
Variance
A 780,634,469 0.9631 810,543,525 269 4,143 .005722209
A 958,907,548 0.9700 988,564,482 203 3,381 .005545004
A 1,071,378,497 0.9860 1,086,590,768 178 2,715 .003677074
A 1,094,814,269 0.9957 1,099,542,301 99 1,769 .002879794
F1 271,974,229 0.9786 277,921,755 11 254 .002295366
F1 256,989,502 1.0525 244,170,548 8 36 .006084166
F1 248,439,107 1.1332 219,236,769 6 16 .042693409
F1 429,799,180 1.2501 343,811,839 5 15 .052523490
G1 87,402,761 0.9953 87,815,494 10 373 .015066159
G1 86,698,035 0.9862 87,911,210 9 138 .019233511
G1 87,558,117 0.9715 90,126,729 9 84 .025461207
G1 86,315,877 1.0122 85,275,516 8 42 .012002862
L1 132,126,542 1.0537 125,392,941 9 96 .008765440
L1 171,119,478 0.9435 181,366,696 4 10 .003509603
Random Totals: 5,764,157,611   5,728,270,573 828 13,072  
Catg D1 Exception Values: 4,703,076   4,885,599      
Catg L1 Exception Values: 463,471,564   465,321,315      
Total Test Values (4): 6,232,332,251   6,198,477,487      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 309,923,874

Confidence Interval Values (5)

State Lower Limit: 5,888,553,613 (State Test Value minus Margin of Error Percent)
Local Test Value: 6,232,332,251 (Within Confidence Interval)
State Upper Limit: 6,508,401,361 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,105,377,509 (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