2006 Confidence Interval Detail
025/Brown
025-906/Zephyr ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 973,992 | 0.9331 | 1,043,824 | 7 | 49 | .008903530 |
| A | 983,489 | 0.9624 | 1,021,913 | 8 | 24 | .000685768 |
| A | 985,596 | 0.9817 | 1,003,969 | 6 | 16 | .000909181 |
| D3 | 15,410,979 | 1.0441 | 14,760,060 | 42 | 719 | .037470802 |
| Random Totals: | 18,354,056 | 17,829,766 | 63 | 808 | ||
| Catg J Exception Values: | 6,559,220 | 6,653,002 | ||||
| Catg D1 Exception Values: | 3,291,870 | 2,934,428 | ||||
| Catg A Exception Values: | 789,470 | 801,517 | ||||
| Total Test Values (4): | 28,994,616 | 28,218,713 |
Margin of Error
| Margin of Error Percent: | 5.0000012 |
|---|---|
| Margin of Error Value: | 1,410,936 |
Confidence Interval Values (5)
| State Lower Limit: | 26,807,777 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 28,994,616 | (Within Confidence Interval) |
| State Upper Limit: | 29,629,649 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 27,391,084 | (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