taxes Property Tax Assistance

2021 Confidence Interval Detail

Shelby County
210-906/Excelsior ISD

Category Summary

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

Stratum
Variance
A 1,566,950 0.8426 1,859,661 13 41 0.098854786
A 1,551,560 0.7671 2,022,631 9 21 0.074833228
A 1,422,470 0.8496 1,674,282 7 12 0.059896365
A 1,549,440 0.8322 1,861,860 5 9 0.005848906
D2 1,805,530 1.0745 1,680,344 12 15 0.002039570
E 6,831,102 0.9396 7,270,223 20 116 0.049965562
G1 1,480,380 0.9780 1,513,681 7 18 0.000058597
Random Totals: 16,207,432 17,882,682 73 232
CATG D1 EXCEPTION VALUES: 2,633,571 2,443,920
CATG G1 EXCEPTION VALUES: 4,815,218 5,046,340
CATG J EXCEPTION VALUES: 120,270 139,029
Total Test Values 23,776,491 25,511,971

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,275,599

Confidence Interval Values(5)

Local Test Value: 23,776,491 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 24,236,372 (State Test Value minus Margin of Error Percent)
State Upper Limit: 26,787,570 (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