taxes Property Tax Assistance

2021 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 40,022,515 0.6550 61,103,076 15 1,072 0.347513077
A 42,455,999 0.6990 60,738,196 18 563 0.119029072
A 41,089,252 0.8446 48,649,363 17 328 0.051028112
A 40,637,660 0.8429 48,211,721 16 188 0.054006601
E 104,832,065 0.8992 116,583,702 23 1,325 0.025677924
F1 27,923,480 0.9966 28,018,744 16 270 0.065451852
F1 28,103,280 0.9254 30,368,792 13 104 0.022785307
F1 27,628,540 0.9789 28,224,068 12 40 0.063348980
F1 27,480,570 1.0945 25,107,876 7 11 0.009995766
G1 5,970,900 0.9727 6,138,481 9 55 0.000208845
G1 6,748,171 0.9750 6,921,201 5 7 0.000395614
L1 9,354,580 1.0361 9,028,646 10 164 0.002181191
L1 10,112,130 1.0148 9,964,653 9 40 0.018714468
L1 8,892,720 1.0281 8,649,664 7 15 0.005256979
L1 11,761,810 1.0206 11,524,407 4 7 0.006155660
Random Totals: 433,013,672 499,232,590 181 4,189
CATG D1 EXCEPTION VALUES: 19,988,153 18,215,366
CATG G1 EXCEPTION VALUES: 23,190,635 23,850,142
CATG J EXCEPTION VALUES: 3,722,960 3,985,564
Total Test Values 479,915,420 545,283,662

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 27,264,183

Confidence Interval Values(5)

Local Test Value: 479,915,420 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 518,019,479 (State Test Value minus Margin of Error Percent)
State Upper Limit: 572,547,845 (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