2009 Confidence Interval Detail
221/Taylor
221-905/Trent ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,349,336 | 0.9727 | 1,387,207 | 7 | 71 | .002809806 |
| A | 1,060,817 | 0.9237 | 1,148,443 | 7 | 29 | .006055136 |
| A | 1,573,510 | 0.9663 | 1,628,387 | 6 | 28 | .000526459 |
| A | 1,334,610 | 0.9812 | 1,360,181 | 5 | 14 | .010748147 |
| D3 | 3,277,962 | 0.8836 | 3,709,780 | 16 | 370 | .158088046 |
| Random Totals: | 8,596,235 | 9,233,998 | 41 | 512 | ||
| Catg J Exception Values: | 4,076,460 | 4,164,588 | ||||
| Catg D1 Exception Values: | 2,198,617 | 2,166,725 | ||||
| Total Test Values (4): | 14,871,312 | 15,565,311 |
Margin of Error
| Margin of Error Percent: | 5.0000029 |
|---|---|
| Margin of Error Value: | 778,266 |
Confidence Interval Values (5)
| State Lower Limit: | 14,787,045 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 14,871,312 | (Within Confidence Interval) |
| State Upper Limit: | 16,343,577 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 79,209,933 | (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