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 0.8071 48,518,407 12 866 0.167629484
A 61,513,749 0.8773 70,117,120 12 672 0.057185525
A 64,732,030 0.9970 64,926,810 13 429 0.045594059
A 64,307,260 0.9614 66,889,182 16 263 0.019647186
E 141,263,441 0.8713 162,129,509 20 1,312 0.062862150
F1 28,320,840 1.0197 27,773,698 10 251 0.017466867
F1 33,512,351 0.9230 36,308,073 11 117 0.009224070
F1 28,146,430 0.8831 31,872,302 9 39 0.034210415
F1 36,422,840 0.9698 37,557,063 6 13 0.011728581
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: 559,245,357 609,280,472 152 4,251
CATG D1 EXCEPTION VALUES: 19,968,016 14,974,033
CATG G1 EXCEPTION VALUES: 32,047,691 31,802,572
CATG J EXCEPTION VALUES: 3,776,130 3,879,122
Total Test Values 615,037,194 659,936,199

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,996,810

Confidence Interval Values(5)

Local Test Value: 615,037,194 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 626,939,389 (State Test Value minus Margin of Error Percent)
State Upper Limit: 692,933,009 (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