2007 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 | 12,537,303 | 0.9784 | 12,814,087 | 15 | 485 | .011227020 |
| A | 12,495,652 | 1.0059 | 12,422,360 | 15 | 281 | .035845058 |
| A | 12,510,139 | 0.9252 | 13,521,551 | 17 | 195 | .009866700 |
| A | 12,488,847 | 0.9704 | 12,869,793 | 15 | 121 | .028655954 |
| D3 | 55,648,875 | 0.9368 | 59,403,154 | 20 | 4,228 | .016652666 |
| Random Totals: | 105,680,816 | 111,030,945 | 82 | 5,310 | ||
| Catg J Exception Values: | 12,767,139 | 12,961,035 | ||||
| Catg D1 Exception Values: | 14,660,884 | 14,292,797 | ||||
| Total Test Values (4): | 133,108,839 | 138,284,777 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 6,914,239 |
Confidence Interval Values (5)
| State Lower Limit: | 131,370,538 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 133,108,839 | (Within Confidence Interval) |
| State Upper Limit: | 145,199,016 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 119,098,003 | (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