2009 Confidence Interval Detail
223/Terry
223-901/Brownfield CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 29,787,000 | 0.8064 | 36,938,244 | 14 | 1,158 | .036718683 |
| A | 30,052,170 | 0.9551 | 31,464,946 | 9 | 492 | .041023231 |
| A | 30,712,040 | 0.9383 | 32,731,578 | 8 | 335 | .031588292 |
| A | 31,983,350 | 1.0075 | 31,745,261 | 8 | 210 | .025023252 |
| D3 | 24,370,890 | 0.9400 | 25,926,479 | 10 | 2,016 | .005941162 |
| G1 | 63,840,179 | 0.9805 | 65,109,820 | 5 | 22 | .001305242 |
| G1 | 72,172,274 | 1.0455 | 69,031,348 | 4 | 7 | .011424796 |
| G1 | 116,211,320 | 1.0103 | 115,026,547 | 3 | 4 | .000136048 |
| Random Totals: | 399,129,223 | 407,974,223 | 61 | 4,244 | ||
| Catg D1 Exception Values: | 53,798,170 | 60,531,310 | ||||
| Catg G1 Exception Values: | 89,560,048 | 84,441,022 | ||||
| Total Test Values (4): | 542,487,441 | 552,946,555 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 27,647,328 |
Confidence Interval Values (5)
| State Lower Limit: | 525,299,227 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 542,487,441 | (Within Confidence Interval) |
| State Upper Limit: | 580,593,883 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 632,206,449 | (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