taxes Property Tax Assistance

2021 Confidence Interval Detail

Shelby County
210-904/Tenaha ISD

Category Summary

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

Stratum
Variance
A 4,750,549 0.9325 5,094,423 16 160 0.150253817
A 6,275,820 0.9726 6,452,622 15 106 0.071301651
A 5,343,880 0.9543 5,599,790 17 56 0.035178810
A 6,069,680 1.0614 5,718,560 17 36 0.035503848
E 26,244,314 0.9018 29,102,145 23 377 0.127713660
F1 992,020 0.9433 1,051,648 9 26 0.020134540
F1 1,608,640 0.9694 1,659,418 7 19 0.009702035
F1 2,595,920 0.9246 2,807,614 3 8 0.000068325
Random Totals: 53,880,823 57,486,220 107 788
CATG D1 EXCEPTION VALUES: 5,907,095 5,309,947
CATG F1 EXCEPTION VALUES: 961,780 929,440
CATG J EXCEPTION VALUES: 9,115,340 9,539,067
Total Test Values 69,865,038 73,264,674

Margin of Error

Margin of Error Percent: 5.9766645
Margin of Error Value: 4,378,784

Confidence Interval Values(5)

Local Test Value: 69,865,038 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 68,885,890 (State Test Value minus Margin of Error Percent)
State Upper Limit: 77,643,458 (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