2007 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 | 823,720 | 0.8170 | 1,008,225 | 9 | 31 | .057056240 |
| A | 808,532 | 0.9117 | 886,840 | 9 | 17 | .116920377 |
| A | 793,651 | 0.9649 | 822,522 | 8 | 11 | .044876042 |
| A | 772,100 | 1.0710 | 720,915 | 5 | 7 | .013789975 |
| D3 | 5,552,750 | 0.6331 | 8,770,731 | 20 | 443 | .135442061 |
| Random Totals: | 8,750,753 | 12,209,233 | 51 | 509 | ||
| Catg J Exception Values: | 361,730 | 384,721 | ||||
| Catg D1 Exception Values: | 2,208,590 | 2,215,146 | ||||
| Total Test Values (4): | 11,321,073 | 14,809,100 |
Margin of Error
| Margin of Error Percent: | 9.6762599 |
|---|---|
| Margin of Error Value: | 1,432,967 |
Confidence Interval Values (5)
| Local Test Value: | 11,321,073 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 13,376,133 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 16,242,067 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 16,886,869 | (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