2008 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 | 42,329,500 | 0.8164 | 51,848,971 | 9 | 634 | .052375505 |
| A | 44,809,900 | 0.9810 | 45,677,778 | 14 | 274 | .005646475 |
| A | 43,460,100 | 0.9248 | 46,994,053 | 8 | 164 | .011329276 |
| A | 47,820,600 | 0.9757 | 49,011,581 | 7 | 92 | .003373581 |
| D3 | 50,245,600 | 0.9228 | 54,449,068 | 11 | 2,209 | .229726678 |
| G1 | 45,961,976 | 0.9924 | 46,313,962 | 7 | 128 | .000444890 |
| G1 | 45,822,802 | 0.9775 | 46,877,547 | 6 | 71 | .012580650 |
| G1 | 46,551,536 | 0.9751 | 47,740,269 | 6 | 49 | .003517345 |
| G1 | 44,481,034 | 1.0470 | 42,484,273 | 5 | 18 | .006529353 |
| Random Totals: | 411,483,048 | 431,397,502 | 73 | 3,639 | ||
| Catg D1 Exception Values: | 7,139,723 | 4,788,269 | ||||
| Total Test Values (4): | 418,622,771 | 436,185,771 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 21,809,289 |
Confidence Interval Values (5)
| State Lower Limit: | 414,376,482 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 418,622,771 | (Within Confidence Interval) |
| State Upper Limit: | 457,995,060 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 451,877,660 | (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