2009 Confidence Interval Detail
129/Kaufman
129-905/Mabank ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 31,850,295 | 1.0907 | 29,201,701 | 9 | 461 | .045009311 |
| A | 31,214,420 | 0.9860 | 31,657,627 | 10 | 250 | .008285387 |
| A | 32,924,130 | 1.0514 | 31,314,562 | 7 | 174 | .021607247 |
| A | 33,694,828 | 1.0217 | 32,979,180 | 6 | 90 | .001057691 |
| C | 7,953,710 | 1.1054 | 7,195,323 | 10 | 219 | .040921758 |
| C | 7,081,880 | 1.0981 | 6,449,212 | 8 | 27 | .020158657 |
| D3 | 25,980,035 | 0.9221 | 28,174,856 | 10 | 1,069 | .017088043 |
| F1 | 5,646,160 | 1.0030 | 5,629,272 | 7 | 51 | .026983553 |
| F1 | 4,294,890 | 0.9785 | 4,389,259 | 5 | 18 | .001505347 |
| F1 | 6,222,670 | 1.0697 | 5,817,210 | 5 | 13 | .042696932 |
| Random Totals: | 186,863,018 | 182,808,202 | 77 | 2,372 | ||
| Catg D1 Exception Values: | 2,012,380 | 1,146,175 | ||||
| Catg F1 Exception Values: | 5,837,040 | 5,605,201 | ||||
| Total Test Values (4): | 194,712,438 | 189,559,578 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,477,979 |
Confidence Interval Values (5)
| State Lower Limit: | 180,081,599 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 194,712,438 | (Within Confidence Interval) |
| State Upper Limit: | 199,037,557 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 239,701,599 | (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