2006 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 | 3,910,538 | 0.8654 | 4,518,764 | 18 | 109 | .148643845 |
| A | 3,863,185 | 0.9409 | 4,105,840 | 15 | 66 | .041889226 |
| A | 3,841,632 | 0.9650 | 3,980,966 | 18 | 48 | .026401094 |
| A | 3,841,912 | 0.9604 | 4,000,325 | 18 | 28 | .016303924 |
| D3 | 11,009,220 | 0.8316 | 13,238,600 | 21 | 827 | .092076694 |
| Random Totals: | 26,466,487 | 29,844,495 | 90 | 1,078 | ||
| Catg J Exception Values: | 8,448,396 | 7,243,505 | ||||
| Catg D1 Exception Values: | 3,949,070 | 3,585,730 | ||||
| Total Test Values (4): | 38,863,953 | 40,673,730 |
Margin of Error
| Margin of Error Percent: | 5.0000012 |
|---|---|
| Margin of Error Value: | 2,033,687 |
Confidence Interval Values (5)
| State Lower Limit: | 38,640,043 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 38,863,953 | (Within Confidence Interval) |
| State Upper Limit: | 42,707,417 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 46,038,534 | (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