2009 Confidence Interval Detail
172/Morris
172-905/Pewitt ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 17,380,700 | 0.8918 | 19,489,460 | 17 | 457 | .030332650 |
| A | 16,887,300 | 0.9870 | 17,109,726 | 15 | 261 | .035831231 |
| A | 16,727,790 | 1.0147 | 16,485,454 | 16 | 177 | .032819093 |
| A | 17,322,760 | 1.0175 | 17,024,826 | 15 | 114 | .008888247 |
| D3 | 61,343,900 | 0.9082 | 67,544,484 | 24 | 2,104 | .140743619 |
| F1 | 3,048,500 | 1.0213 | 2,984,921 | 6 | 65 | .009784796 |
| F1 | 2,906,920 | 0.9202 | 3,159,009 | 6 | 19 | .066205284 |
| F1 | 2,382,980 | 0.9111 | 2,615,498 | 3 | 5 | .000755515 |
| F1 | 4,331,330 | 0.9454 | 4,581,479 | 3 | 6 | .019926656 |
| Random Totals: | 142,332,180 | 150,994,857 | 105 | 3,208 | ||
| Catg J Exception Values: | 12,980,734 | 13,292,490 | ||||
| Catg D1 Exception Values: | 6,060,800 | 5,775,299 | ||||
| Total Test Values (4): | 161,373,714 | 170,062,646 |
Margin of Error
| Margin of Error Percent: | 6.2394325 |
|---|---|
| Margin of Error Value: | 10,610,944 |
Confidence Interval Values (5)
| State Lower Limit: | 159,451,702 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 161,373,714 | (Within Confidence Interval) |
| State Upper Limit: | 180,673,590 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 163,724,784 | (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, D3, 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