2009 Confidence Interval Detail
039/Clay
039-901/Byers ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,143,960 | 0.9844 | 3,193,783 | 15 | 91 | .009412729 |
| A | 2,597,840 | 0.9954 | 2,609,845 | 15 | 43 | .008111815 |
| A | 3,205,370 | 0.9197 | 3,485,234 | 14 | 38 | .009724622 |
| A | 3,329,860 | 1.0035 | 3,318,246 | 11 | 25 | .009471381 |
| D3 | 5,018,400 | 1.0176 | 4,931,604 | 20 | 487 | .055143126 |
| Random Totals: | 17,295,430 | 17,538,712 | 75 | 684 | ||
| Catg J Exception Values: | 973,580 | 1,100,181 | ||||
| Catg D1 Exception Values: | 4,608,430 | 4,775,568 | ||||
| Total Test Values (4): | 22,877,440 | 23,414,461 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,170,723 |
Confidence Interval Values (5)
| State Lower Limit: | 22,243,738 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 22,877,440 | (Within Confidence Interval) |
| State Upper Limit: | 24,585,184 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 21,821,130 | (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
