2008 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 | 27,144,674 | 0.9439 | 28,757,998 | 17 | 395 | .015838303 |
| A | 29,068,768 | 0.9832 | 29,565,468 | 17 | 250 | .015341586 |
| A | 29,745,813 | 0.9905 | 30,031,109 | 18 | 175 | .003792414 |
| A | 32,771,079 | 1.0084 | 32,498,095 | 16 | 124 | .003025054 |
| D3 | 59,662,050 | 0.9255 | 64,464,668 | 21 | 1,531 | .049116089 |
| Random Totals: | 178,392,384 | 185,317,338 | 89 | 2,475 | ||
| Catg J Exception Values: | 17,389,300 | 18,199,379 | ||||
| Catg D1 Exception Values: | 4,962,837 | 3,475,315 | ||||
| Total Test Values (4): | 200,744,521 | 206,992,032 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 10,349,602 |
Confidence Interval Values (5)
| State Lower Limit: | 196,642,430 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 200,744,521 | (Within Confidence Interval) |
| State Upper Limit: | 217,341,634 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 208,404,453 | (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