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Shelby County
2020 Confidence Interval Detail
Shelby County
210-904/Tenaha ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,148,060 | 0.7136 | 7,214,210 | 15 | 179 | 0.131836143 |
| A | 5,260,580 | 0.9110 | 5,774,512 | 18 | 89 | 0.061035931 |
| A | 5,041,140 | 0.9937 | 5,073,101 | 16 | 53 | 0.074722584 |
| A | 5,549,670 | 1.0076 | 5,507,811 | 18 | 33 | 0.038876746 |
| E | 24,343,361 | 0.8789 | 27,697,532 | 24 | 357 | 0.157402994 |
| F1 | 1,082,730 | 0.6536 | 1,656,564 | 9 | 33 | 0.175271110 |
| F1 | 1,782,060 | 0.7778 | 2,291,155 | 7 | 25 | 0.022009340 |
| F1 | 872,110 | 0.8724 | 999,668 | 5 | 6 | 0.019564720 |
| F1 | 1,829,240 | 0.8559 | 2,137,294 | 7 | 9 | 0.023681460 |
| Random Totals: | 50,908,951 | 58,351,847 | 119 | 784 | ||
| CATG D1 EXCEPTION VALUES: | 5,774,155 | 5,554,249 | ||||
| CATG J EXCEPTION VALUES: | 9,698,460 | 12,064,697 | ||||
| Total Test Values | 66,381,566 | 75,970,793 |
Margin of Error
| Margin of Error Percent: | 6.0401308 |
|---|---|
| Margin of Error Value: | 4,588,735 |
Confidence Interval Values(5)
| Local Test Value: | 66,381,566 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 71,382,058 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 80,559,528 | (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