2006 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 | 25,478,724 | 0.9138 | 27,882,167 | 7 | 304 | .044224937 |
| A | 25,415,515 | 0.9777 | 25,995,208 | 9 | 202 | .001386571 |
| A | 25,504,386 | 0.9809 | 26,001,005 | 22 | 144 | .011125435 |
| A | 25,221,641 | 1.0358 | 24,349,914 | 8 | 89 | .011860967 |
| D3 | 42,838,205 | 1.0469 | 40,919,099 | 21 | 1,471 | .225134974 |
| Random Totals: | 144,458,471 | 145,147,393 | 67 | 2,210 | ||
| Catg J Exception Values: | 14,011,977 | 12,922,917 | ||||
| Catg D1 Exception Values: | 4,773,394 | 3,763,171 | ||||
| Total Test Values (4): | 163,243,842 | 161,833,481 |
Margin of Error
| Margin of Error Percent: | 5.9988186 |
|---|---|
| Margin of Error Value: | 9,708,097 |
Confidence Interval Values (5)
| State Lower Limit: | 152,125,384 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 163,243,842 | (Within Confidence Interval) |
| State Upper Limit: | 171,541,578 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 166,151,216 | (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