taxes Property Tax Assistance

2023 Confidence Interval Detail

Shelby County
210-902/Joaquin ISD

Category Summary

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

Stratum
Variance
A 11,610,938 0.6017 19,296,889 12 267 0.222436755
A 16,907,120 0.7671 22,040,308 12 196 0.090105371
A 21,940,594 1.0120 21,680,429 13 155 0.017570591
A 19,624,320 0.8144 24,096,660 12 76 0.042374102
E 69,884,482 0.8434 82,860,424 21 707 0.174963335
F1 2,860,212 0.9418 3,036,963 9 47 0.009135224
F1 3,892,190 0.9958 3,908,606 10 22 0.032704540
F1 3,316,370 0.9874 3,358,689 6 10 0.005537172
F1 4,711,620 0.9843 4,786,772 3 6 0.002608145
G1 23,269,107 1.0024 23,213,395 9 52 0.000089332
G1 25,828,889 1.0000 25,828,889 5 7 0.000080864
Random Totals: 203,845,842 234,108,024 112 1,545
CATG D1 EXCEPTION VALUES: 7,036,208 4,876,502
CATG G1 EXCEPTION VALUES: 37,583,042 37,448,591
CATG J EXCEPTION VALUES: 7,991,070 8,376,883
Total Test Values 256,456,162 284,810,000

Margin of Error

Margin of Error Percent: 5.7278361
Margin of Error Value: 16,313,450

Confidence Interval Values(5)

Local Test Value: 256,456,162 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 268,496,550 (State Test Value minus Margin of Error Percent)
State Upper Limit: 301,123,450 (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