taxes Property Tax Assistance

2019 Confidence Interval Detail

Knox County
138-902/Knox City-O'Brien CISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,876,780 0.9791 3,959,534 8 172 0.033680730
A 3,895,290 1.0161 3,833,570 9 112 0.010725822
A 4,035,300 0.8917 4,525,401 9 78 0.021763453
A 3,792,150 1.0196 3,719,253 6 46 0.034819671
E 7,538,450 1.0173 7,410,253 14 159 0.014476807
F1 798,050 0.5894 1,354,004 8 46 0.202792849
F1 766,350 0.5280 1,451,420 6 17 0.186278168
F1 810,800 0.4668 1,736,932 4 8 0.636406272
G1 7,290,165 0.9583 7,607,393 9 42 0.000499237
L1 931,100 0.9284 1,002,908 6 31 0.049956602
L1 849,280 1.0000 849,280 1 6 0.000000000
L1 1,159,720 1.0396 1,115,544 3 5 0.000427030
L1 876,970 0.9463 926,736 1 2 0.000000000
Random Totals: 36,620,405 39,492,228 84 724
CATG D1 EXCEPTION VALUES: 7,044,840 6,158,402
CATG F1 EXCEPTION VALUES: 545,870 898,431
CATG G1 EXCEPTION VALUES: 3,040,180 3,021,437
CATG J EXCEPTION VALUES: 3,512,610 3,352,794
Total Test Values(4) 50,763,905 52,923,292

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,646,165

Confidence Interval Values(5)

Local Test Value: 50,763,905 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 50,277,127 (State Test Value minus Margin of Error Percent)
State Upper Limit: 55,569,457 (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