taxes Property Tax Assistance

2019 Confidence Interval Detail

Bell County
014-910/Troy ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 40,742,347 0.8103 50,280,571 8 585 0.044047933
A 37,565,280 0.9632 39,000,498 15 294 0.006556711
A 42,909,723 0.9765 43,942,369 12 269 0.024221603
A 52,631,224 0.9530 55,226,888 13 219 0.027961221
E 135,982,492 0.8917 152,498,028 20 975 0.051459849
F1 5,425,257 0.5770 9,402,525 9 47 0.206652337
F1 5,432,230 0.7283 7,458,781 5 13 0.043646268
F1 4,326,384 0.6537 6,618,302 4 5 0.305619365
L1 4,052,975 1.0492 3,862,919 9 65 0.014662656
L1 6,011,056 0.9979 6,023,706 7 13 0.001016673
L1 4,245,737 0.9062 4,685,210 3 5 0.003787051
L1 3,152,485 0.9952 3,167,636 1 3 0.000000000
Random Totals: 342,477,190 382,167,433 106 2,493
CATG D1 EXCEPTION VALUES: 11,613,573 9,371,822
CATG F1 EXCEPTION VALUES: 3,068,204 5,270,499
CATG J EXCEPTION VALUES: 7,499,493 7,909,806
Total Test Values(3) 364,658,460 404,719,560

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,235,978

Confidence Interval Values(5)

Local Test Value: 364,658,460 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 384,483,582 (State Test Value minus Margin of Error Percent)
State Upper Limit: 424,955,538 (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