2011 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 | 4,937,775 | 0.8408 | 5,872,711 | 11 | 86 | .024794993 |
| A | 4,937,810 | 0.9563 | 5,163,453 | 10 | 52 | .022392055 |
| A | 4,972,740 | 0.8788 | 5,658,557 | 12 | 35 | .008612821 |
| A | 7,129,860 | 0.9402 | 7,583,344 | 10 | 28 | .003286874 |
| D3 | 18,379,290 | 0.7342 | 25,033,084 | 15 | 726 | .170555777 |
| G1 | 2,812,590 | 1.0266 | 2,739,714 | 7 | 26 | .015645130 |
| Random Totals: | 43,170,065 | 52,050,863 | 65 | 953 | ||
| Catg D1 Exception Values: | 4,822,060 | 4,480,440 | ||||
| Catg G1 Exception Values: | 905,360 | 894,967 | ||||
| Total Test Values (4): | 48,897,485 | 57,426,270 |
Margin of Error
| Margin of Error Percent: | 9.3019066 |
|---|---|
| Margin of Error Value: | 5,341,738 |
Confidence Interval Values (5)
| Local Test Value: | 48,897,485 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 52,084,532 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 62,768,008 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 53,641,246 | (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