taxes Property Tax Assistance

2019 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 9,710,909 0.9131 10,635,099 15 303 0.092211110
A 12,549,259 0.9480 13,237,615 16 203 0.020704159
A 13,541,474 0.8050 16,821,707 17 133 0.071683347
A 13,072,680 1.0427 12,537,336 15 63 0.034624334
E 47,862,848 0.9867 48,508,004 20 678 0.080764843
F1 2,879,581 0.8666 3,322,849 8 55 0.160083567
F1 2,725,120 0.8212 3,318,461 7 21 0.016657172
F1 3,416,080 0.9356 3,651,218 5 11 0.001958655
F1 2,085,170 1.0444 1,996,510 2 3 0.000009331
G1 5,010,499 1.0129 4,946,687 9 82 0.001748802
G1 5,186,369 0.9907 5,235,055 7 18 0.001297764
G1 4,922,610 1.0071 4,887,906 6 11 0.000022367
G1 4,614,671 0.9911 4,656,110 4 6 0.000107274
Random Totals: 127,577,270 133,754,557 131 1,587
CATG D1 EXCEPTION VALUES: 6,945,652 6,379,512
CATG J EXCEPTION VALUES: 5,966,490 6,111,627
Total Test Values(2) 140,489,412 146,245,696

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,312,285

Confidence Interval Values(5)

Local Test Value: 140,489,412 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 138,933,411 (State Test Value minus Margin of Error Percent)
State Upper Limit: 153,557,981 (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