2006 Confidence Interval Detail
198/Robertson
198-906/Mumford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 2,024,220 | 0.9534 | 2,123,159 | 12 | 222 | .035517268 |
| G1 | 10,244,499 | 1.0030 | 10,213,857 | 10 | 19 | .012238419 |
| G1 | 9,867,581 | 1.0126 | 9,744,797 | 6 | 9 | .002083092 |
| G1 | 11,115,536 | 1.0081 | 11,026,224 | 5 | 6 | .000628310 |
| Random Totals: | 33,251,836 | 33,108,037 | 33 | 256 | ||
| Catg J Exception Values: | 4,291,270 | 4,056,321 | ||||
| Catg D1 Exception Values: | 4,789,980 | 5,361,470 | ||||
| Catg G1 Exception Values: | 7,796,071 | 7,642,005 | ||||
| Total Test Values (4): | 50,129,157 | 50,167,833 |
Margin of Error
| Margin of Error Percent: | 5.0000007 |
|---|---|
| Margin of Error Value: | 2,508,392 |
Confidence Interval Values (5)
| State Lower Limit: | 47,659,441 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 50,129,157 | (Within Confidence Interval) |
| State Upper Limit: | 52,676,225 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 53,944,103 | (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