taxes Property Tax Assistance

2020 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 5,148,060 0.7136 7,214,210 15 179 0.131836143
A 5,260,580 0.9110 5,774,512 18 89 0.061035931
A 5,041,140 0.9937 5,073,101 16 53 0.074722584
A 5,549,670 1.0076 5,507,811 18 33 0.038876746
E 24,343,361 0.8789 27,697,532 24 357 0.157402994
F1 1,082,730 0.6536 1,656,564 9 33 0.175271110
F1 1,782,060 0.7778 2,291,155 7 25 0.022009340
F1 872,110 0.8724 999,668 5 6 0.019564720
F1 1,829,240 0.8559 2,137,294 7 9 0.023681460
Random Totals: 50,908,951 58,351,847 119 784
CATG D1 EXCEPTION VALUES: 5,774,155 5,554,249
CATG J EXCEPTION VALUES: 9,698,460 12,064,697
Total Test Values 66,381,566 75,970,793

Margin of Error

Margin of Error Percent: 6.0401308
Margin of Error Value: 4,588,735

Confidence Interval Values(5)

Local Test Value: 66,381,566 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 71,382,058 (State Test Value minus Margin of Error Percent)
State Upper Limit: 80,559,528 (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