2006 Confidence Interval Detail
139/Lamar
139-912/Prairiland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,785,867 | 0.9427 | 12,502,246 | 8 | 494 | .001650630 |
| A | 11,772,211 | 0.8774 | 13,417,154 | 7 | 285 | .055322885 |
| A | 11,758,738 | 0.8454 | 13,909,082 | 7 | 198 | .041993635 |
| A | 11,751,758 | 0.8958 | 13,118,730 | 7 | 124 | .020752230 |
| D3 | 54,640,530 | 0.9600 | 56,917,219 | 31 | 3,623 | .097084308 |
| Random Totals: | 101,709,104 | 109,864,431 | 60 | 4,724 | ||
| Catg J Exception Values: | 11,870,367 | 13,666,603 | ||||
| Catg D1 Exception Values: | 14,705,175 | 14,641,010 | ||||
| Total Test Values (4): | 128,284,646 | 138,172,044 |
Margin of Error
| Margin of Error Percent: | 5.2348469 |
|---|---|
| Margin of Error Value: | 7,233,095 |
Confidence Interval Values (5)
| Local Test Value: | 128,284,646 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 130,938,949 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 145,405,139 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 112,514,853 | (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
