2009 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 | 15,600,980 | 0.8786 | 17,756,636 | 11 | 494 | .049451201 |
| A | 15,106,410 | 0.8487 | 17,799,470 | 11 | 270 | .073022426 |
| A | 15,788,440 | 0.8974 | 17,593,537 | 9 | 196 | .039029544 |
| A | 14,698,300 | 0.9433 | 15,581,787 | 10 | 110 | .005647118 |
| D3 | 75,725,570 | 1.0200 | 74,240,755 | 20 | 4,129 | .050033632 |
| Random Totals: | 136,919,700 | 142,972,185 | 61 | 5,199 | ||
| Catg J Exception Values: | 11,927,846 | 11,797,782 | ||||
| Catg D1 Exception Values: | 12,330,781 | 10,526,890 | ||||
| Total Test Values (4): | 161,178,327 | 165,296,857 |
Margin of Error
| Margin of Error Percent: | 5.2085098 |
|---|---|
| Margin of Error Value: | 8,609,503 |
Confidence Interval Values (5)
| State Lower Limit: | 156,687,354 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 161,178,327 | (Within Confidence Interval) |
| State Upper Limit: | 173,906,360 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 149,826,867 | (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