2008 Confidence Interval Detail
070/Ellis
070-909/Milford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,627,869 | 0.9345 | 3,882,150 | 17 | 112 | .013745201 |
| A | 3,159,140 | 0.9800 | 3,223,612 | 15 | 57 | .006916292 |
| A | 5,731,890 | 0.9610 | 5,964,506 | 23 | 71 | .012197540 |
| A | 3,307,660 | 0.9753 | 3,391,428 | 14 | 22 | .009057709 |
| D3 | 10,914,600 | 0.9630 | 11,333,956 | 54 | 644 | .050284555 |
| Random Totals: | 26,741,159 | 27,795,652 | 123 | 906 | ||
| Catg J Exception Values: | 4,511,010 | 4,886,421 | ||||
| Catg D1 Exception Values: | 3,357,141 | 2,596,832 | ||||
| Total Test Values (4): | 34,609,310 | 35,278,905 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,763,945 |
Confidence Interval Values (5)
| State Lower Limit: | 33,514,960 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 34,609,310 | (Within Confidence Interval) |
| State Upper Limit: | 37,042,850 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 34,000,726 | (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