2009 Confidence Interval Detail
005/Archer
005-904/Windthorst ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,739,315 | 0.9904 | 4,785,253 | 9 | 84 | .003505788 |
| A | 4,874,600 | 0.9165 | 5,318,712 | 8 | 52 | .005482013 |
| A | 4,807,850 | 0.9378 | 5,126,733 | 8 | 35 | .003568543 |
| A | 5,116,570 | 0.9982 | 5,125,796 | 7 | 23 | .001248542 |
| D3 | 18,355,630 | 0.9975 | 18,401,634 | 20 | 722 | .028081708 |
| G1 | 2,992,430 | 0.9058 | 3,303,632 | 6 | 27 | .100234465 |
| Random Totals: | 40,886,395 | 42,061,760 | 58 | 943 | ||
| Catg D1 Exception Values: | 4,850,090 | 4,370,713 | ||||
| Catg G1 Exception Values: | 786,910 | 733,754 | ||||
| Total Test Values (4): | 46,523,395 | 47,166,227 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,358,311 |
Confidence Interval Values (5)
| State Lower Limit: | 44,807,916 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 46,523,395 | (Within Confidence Interval) |
| State Upper Limit: | 49,524,538 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 49,999,737 | (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
