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212/Smith
2017 Confidence Interval Detail
212/Smith
212-901/Arp ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 57,006,551 | 0.9680 | 58,891,065 | 14 | 666 | .007789900 |
| A | 56,990,871 | 1.0211 | 55,813,212 | 14 | 271 | .007659273 |
| A | 62,569,633 | 0.9613 | 65,088,560 | 7 | 188 | .010395732 |
| A | 62,896,087 | 1.0141 | 62,021,583 | 8 | 99 | .002818857 |
| E | 75,790,331 | 1.0702 | 70,818,848 | 15 | 958 | .049327700 |
| G1 | 7,440,328 | 1.1002 | 6,762,705 | 9 | 177 | .065046337 |
| G1 | 7,557,413 | 1.0721 | 7,049,168 | 9 | 67 | .064321015 |
| G1 | 8,200,295 | 1.0040 | 8,167,625 | 6 | 13 | .001044324 |
| Random Totals: | 338,451,509 | 334,612,766 | 82 | 2,439 | ||
| Catg J Exception Values: | 7,443,593 | 7,247,204 | ||||
| Catg D1 Exception Values: | 5,604,579 | 4,813,962 | ||||
| Catg G1 Exception Values: | 6,499,177 | 6,556,830 | ||||
| Total Test Values (4): | 357,998,858 | 353,230,762 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 17,661,538 |
Confidence Interval Values (5)
| State Lower Limit: | 335,569,224 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 357,998,858 | (Within Confidence Interval) |
| State Upper Limit: | 370,892,300 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 348,916,056 | (See ISD Summary Worksheet) |
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
(6) Includes local value of unstudied property categories and sub-categories