2009 Confidence Interval Detail
231/Upton
231-902/Rankin ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,167,030 | 0.8690 | 2,493,705 | 7 | 121 | .005761946 |
| A | 2,442,010 | 0.8309 | 2,938,994 | 6 | 80 | .057495535 |
| A | 2,725,010 | 0.9176 | 2,969,714 | 6 | 59 | .000373111 |
| A | 2,759,310 | 0.9107 | 3,029,878 | 6 | 37 | .003473863 |
| G1 | 449,165,503 | 1.0209 | 439,970,127 | 11 | 367 | .001993315 |
| G1 | 453,071,912 | 1.0044 | 451,087,129 | 10 | 104 | .002117779 |
| G1 | 452,814,158 | 0.9730 | 465,379,402 | 10 | 41 | .002023231 |
| G1 | 441,099,414 | 1.0033 | 439,648,574 | 6 | 13 | .000742570 |
| Random Totals: | 1,806,244,347 | 1,807,517,523 | 62 | 822 | ||
| Catg D1 Exception Values: | 4,294,896 | 12,215,385 | ||||
| Total Test Values (4): | 1,810,539,243 | 1,819,732,908 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 90,986,645 |
Confidence Interval Values (5)
| State Lower Limit: | 1,728,746,263 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,810,539,243 | (Within Confidence Interval) |
| State Upper Limit: | 1,910,719,553 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,019,744,742 | (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