taxes Property Tax Assistance

2021 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 11,429,590 0.8692 13,149,551 19 319 0.142228875
A 13,115,110 0.8983 14,599,922 19 191 0.102531849
A 12,694,342 1.0312 12,310,262 18 111 0.030822619
A 12,581,130 0.8964 14,035,174 20 57 0.053945224
E 51,855,980 0.8775 59,095,134 26 728 0.061428308
F1 3,171,092 1.0124 3,132,252 9 60 0.075900600
F1 2,943,220 1.0086 2,918,124 7 20 0.008096238
F1 4,111,820 0.9609 4,279,134 5 12 0.003600083
Random Totals: 111,902,284 123,519,553 123 1,498
CATG D1 EXCEPTION VALUES: 7,056,369 6,080,484
CATG F1 EXCEPTION VALUES: 2,876,780 2,873,593
CATG J EXCEPTION VALUES: 6,758,800 7,034,299
Total Test Values 128,594,233 139,507,929

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,975,396

Confidence Interval Values(5)

Local Test Value: 128,594,233 OUTSIDE CONFIDENCE INTERVAL
State Lower Limit: 132,532,533 (State Test Value minus Margin of Error Percent)
State Upper Limit: 146,483,325 (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