taxes Property Tax Assistance

2023 Confidence Interval Detail

Shelby County
210-901/Center ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 39,159,206 0.9159 42,754,892 11 866 0.080205008
A 61,513,749 0.8924 68,930,691 12 672 0.056572952
A 64,732,030 1.0225 63,307,609 13 429 0.044004461
A 64,307,260 0.9875 65,121,276 16 263 0.019733509
E 141,263,441 0.8766 161,149,260 20 1,312 0.063634405
F1 28,320,840 1.0240 27,657,070 10 251 0.016209097
F1 33,512,351 0.9510 35,239,065 11 117 0.008059454
F1 28,146,430 0.8946 31,462,587 9 39 0.034806903
F1 36,422,840 1.0402 35,015,228 6 13 0.008077658
G1 9,243,120 1.0046 9,200,796 9 54 0.000702146
G1 9,992,370 0.9975 10,017,414 5 9 0.000343169
L1 10,175,790 0.9607 10,592,058 10 167 0.009513807
L1 11,018,420 0.9812 11,229,535 8 38 0.004470911
L1 9,361,200 0.9638 9,712,803 7 14 0.004773640
L1 12,076,310 0.9711 12,435,702 4 7 0.009121380
Random Totals: 559,245,357 593,825,986 151 4,251
CATG D1 EXCEPTION VALUES: 20,036,930 15,020,158
CATG G1 EXCEPTION VALUES: 32,047,691 31,802,572
CATG J EXCEPTION VALUES: 3,776,130 3,879,122
Total Test Values 615,106,108 644,527,838

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,226,392

Confidence Interval Values(5)

Local Test Value: 615,106,108 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 612,301,446 (State Test Value minus Margin of Error Percent)
State Upper Limit: 676,754,230 (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