2008 Confidence Interval Detail
061/Denton
057-903/Carrollton-Farmers Branch ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,963,568,837 | 1.0237 | 1,918,109,639 | 23 | 11,869 | .004291066 |
| B | 696,496,529 | 1.0274 | 677,921,480 | 11 | 236 | .013278268 |
| F1 | 325,328,840 | 1.0288 | 316,221,656 | 11 | 188 | .027415531 |
| Random Totals: | 2,985,394,206 | 2,912,252,775 | 45 | 12,293 | ||
| Total Test Values (4): | 2,985,394,206 | 2,912,252,775 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 145,612,639 |
Confidence Interval Values (5)
| State Lower Limit: | 2,766,640,136 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,985,394,206 | (Within Confidence Interval) |
| State Upper Limit: | 3,057,865,414 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,939,848,458 | (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