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 0.6281 18,485,811 12 267 0.222961559
A 16,907,120 0.7879 21,458,459 12 196 0.083973835
A 21,940,594 1.0413 21,070,387 13 155 0.015462066
A 19,624,320 0.8406 23,345,610 12 76 0.043226371
E 69,884,482 0.8612 81,147,796 21 707 0.149830321
F1 2,860,212 0.9804 2,917,393 9 47 0.005006780
F1 3,892,190 1.0448 3,725,297 10 22 0.024809435
F1 3,316,370 0.9907 3,347,502 6 10 0.005117825
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: 203,845,842 229,327,311 112 1,545
CATG D1 EXCEPTION VALUES: 7,035,887 4,876,473
CATG G1 EXCEPTION VALUES: 37,583,042 37,448,591
CATG J EXCEPTION VALUES: 7,991,070 8,376,883
Total Test Values 256,455,841 280,029,258

Margin of Error

Margin of Error Percent: 5.3316532
Margin of Error Value: 14,930,189

Confidence Interval Values(5)

Local Test Value: 256,455,841 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 265,099,069 (State Test Value minus Margin of Error Percent)
State Upper Limit: 294,959,447 (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