2007 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 | 28,501,956 | 0.9256 | 30,792,952 | 9 | 401 | .053841690 |
| A | 28,509,604 | 0.9237 | 30,864,571 | 11 | 234 | .020686652 |
| A | 28,446,721 | 0.9395 | 30,278,575 | 7 | 163 | .015621958 |
| A | 28,483,943 | 0.9920 | 28,713,652 | 9 | 101 | .009824129 |
| D3 | 50,290,671 | 0.9856 | 51,025,437 | 21 | 1,457 | .022689602 |
| Random Totals: | 164,232,895 | 171,675,187 | 57 | 2,356 | ||
| Catg J Exception Values: | 11,555,460 | 11,042,199 | ||||
| Catg D1 Exception Values: | 4,710,537 | 3,417,106 | ||||
| Total Test Values (4): | 180,498,892 | 186,134,492 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 9,306,725 |
Confidence Interval Values (5)
| State Lower Limit: | 176,827,767 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 180,498,892 | (Within Confidence Interval) |
| State Upper Limit: | 195,441,217 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 185,985,140 | (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