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 | 0.9590 | 946,559 | 14 | 31 | .099679169 |
| 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 | 1.2142 | 989,911 | 6 | 10 | .061620986 |
| D3 | 5,824,650 | 0.9225 | 6,313,984 | 28 | 439 | .049734041 |
| Random Totals: | 9,760,960 | 10,128,907 | 68 | 509 | ||
| Catg J Exception Values: | 414,870 | 427,060 | ||||
| Catg D1 Exception Values: | 2,190,620 | 2,254,713 | ||||
| Total Test Values (4): | 12,366,450 | 12,810,680 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 640,534 |
Confidence Interval Values (5)
| State Lower Limit: | 12,170,146 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 12,366,450 | (Within Confidence Interval) |
| State Upper Limit: | 13,451,214 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 13,703,188 | (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