2007 Confidence Interval Detail
125/Jim Wells
125-903/Orange Grove ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,771,538 | 0.9017 | 8,618,762 | 8 | 282 | .029642441 |
| A | 7,740,165 | 0.9979 | 7,756,454 | 7 | 128 | .009066840 |
| A | 7,814,959 | 0.9606 | 8,135,498 | 6 | 71 | .006112596 |
| A | 7,636,229 | 0.9619 | 7,938,693 | 7 | 39 | .010974446 |
| D3 | 93,596,102 | 0.9059 | 103,318,360 | 27 | 6,458 | .052755559 |
| Random Totals: | 124,558,993 | 135,767,767 | 55 | 6,978 | ||
| Catg J Exception Values: | 4,850,326 | 4,889,478 | ||||
| Catg D1 Exception Values: | 9,893,001 | 10,257,952 | ||||
| Total Test Values (4): | 139,302,320 | 150,915,197 |
Margin of Error
| Margin of Error Percent: | 6.1250167 |
|---|---|
| Margin of Error Value: | 9,243,581 |
Confidence Interval Values (5)
| Local Test Value: | 139,302,320 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 141,671,616 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 160,158,778 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 146,357,182 | (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