2009 Confidence Interval Detail
070/Ellis
070-915/Maypearl ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 29,120,820 | 0.9047 | 32,188,372 | 8 | 412 | .062141023 |
| A | 30,183,430 | 1.0087 | 29,923,099 | 7 | 250 | .007905388 |
| A | 28,910,441 | 0.9936 | 29,096,660 | 9 | 164 | .006715455 |
| A | 31,952,760 | 1.0340 | 30,902,089 | 7 | 118 | .003173127 |
| D3 | 62,484,370 | 0.9786 | 63,850,777 | 20 | 1,500 | .007733773 |
| Random Totals: | 182,651,821 | 185,960,997 | 51 | 2,444 | ||
| Catg J Exception Values: | 29,601,910 | 30,380,701 | ||||
| Catg D1 Exception Values: | 5,100,333 | 3,628,989 | ||||
| Total Test Values (4): | 217,354,064 | 219,970,687 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,998,534 |
Confidence Interval Values (5)
| State Lower Limit: | 208,972,153 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 217,354,064 | (Within Confidence Interval) |
| State Upper Limit: | 230,969,221 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 245,375,816 | (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