2009 Confidence Interval Detail
073/Falls
073-904/Westphalia ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 907,750 | 0.9268 | 979,445 | 15 | 31 | .110400201 |
| A | 854,210 | 0.9844 | 867,747 | 11 | 16 | .035397191 |
| A | 972,400 | 0.9621 | 1,010,706 | 9 | 13 | .020546089 |
| A | 1,201,950 | 1.1709 | 1,026,518 | 7 | 10 | .062054794 |
| D3 | 5,824,650 | 0.9225 | 6,313,984 | 28 | 439 | .049734041 |
| Random Totals: | 9,760,960 | 10,198,400 | 70 | 509 | ||
| Catg J Exception Values: | 414,870 | 439,714 | ||||
| Catg D1 Exception Values: | 2,190,620 | 2,833,228 | ||||
| Total Test Values (4): | 12,366,450 | 13,471,342 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 673,567 |
Confidence Interval Values (5)
| Local Test Value: | 12,366,450 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 12,797,775 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 14,144,909 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 15,055,172 | (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