taxes Property Tax Assistance

2019 Confidence Interval Detail

Denton County
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 1,221,142,457 0.9742 1,253,482,300 100 5349 0.009996140
A 1,242,742,331 0.9998 1,242,990,929 97 3832 0.003963980
A 1,242,404,091 0.9916 1,252,928,692 99 2861 0.004518589
A 1,260,751,117 0.9934 1,269,127,358 100 1914 0.004876283
F1 426,250,382 0.9869 431,908,382 10 272 0.071000000
F1 437,718,409 0.9538 458,920,538 8 47 0.575940549
F1 356,767,374 1.2625 282,588,019 6 17 0.039021431
F1 627,650,807 1.4702 426,915,254 5 15 0.057816657
G1 75,366,740 1.0056 74,947,037 10 413 0.000418859
G1 75,436,851 0.9742 77,434,665 10 149 0.017650947
G1 75,295,522 1.0002 75,280,466 10 92 0.019737620
G1 74,325,810 1.0158 73,169,728 9 50 0.042723255
L1 267,565,364 0.8683 308,148,525 9 158 0.054120083
L1 167,817,565 0.9565 175,449,624 4 7 0.002969942
L1 271,327,038 0.9468 286,583,981 3 4 0.022488048
Random Totals: 7,822,561,858 7,689,875,498 480 15,180
CATG D1 EXCEPTION VALUES: 6,177,405 6,148,587
CATG L1 EXCEPTION VALUES: 423,633,869 443,557,440
Total Test Values(2) 8,252,373,132 8,139,581,525

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 406,979,076

Confidence Interval Values(5)

Local Test Value: 8,252,373,132 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 7,732,602,449 (State Test Value minus Margin of Error Percent)
State Upper Limit: 8,546,560,601 (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