2009 Confidence Interval Detail
070/Ellis
070-910/Palmer ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 39,779,220 | 1.0889 | 36,531,564 | 9 | 591 | .042247566 |
| A | 40,882,009 | 1.0800 | 37,853,712 | 8 | 324 | .009864239 |
| A | 37,864,150 | 1.0416 | 36,351,911 | 11 | 215 | .003339677 |
| A | 36,880,831 | 0.9971 | 36,988,096 | 7 | 135 | .001723890 |
| D3 | 41,730,485 | 0.9667 | 43,167,979 | 10 | 1,164 | .008403136 |
| Random Totals: | 197,136,695 | 190,893,262 | 45 | 2,429 | ||
| Catg D1 Exception Values: | 3,754,273 | 3,056,759 | ||||
| Total Test Values (4): | 200,890,968 | 193,950,021 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,697,501 |
Confidence Interval Values (5)
| State Lower Limit: | 184,252,520 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 200,890,968 | (Within Confidence Interval) |
| State Upper Limit: | 203,647,522 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 218,142,726 | (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