2008 Confidence Interval Detail
043/Collin
043-904/Farmersville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 35,508,194 | 0.9740 | 36,456,051 | 18 | 629 | .005403739 |
| A | 37,836,790 | 0.9792 | 38,640,513 | 24 | 422 | .012972664 |
| A | 36,893,059 | 0.9942 | 37,108,287 | 18 | 292 | .001879016 |
| A | 45,590,673 | 0.9976 | 45,700,354 | 20 | 228 | .002428014 |
| C | 4,457,091 | 1.0431 | 4,272,928 | 15 | 258 | .024213966 |
| C | 3,012,091 | 1.0068 | 2,991,747 | 17 | 103 | .003508377 |
| C | 3,273,276 | 1.0132 | 3,230,632 | 17 | 69 | .000862048 |
| C | 4,548,511 | 1.0091 | 4,507,493 | 15 | 37 | .001521380 |
| D3 | 97,054,577 | 1.0407 | 93,258,938 | 42 | 2,771 | .031490103 |
| F1 | 4,518,619 | 0.9991 | 4,522,689 | 17 | 42 | .009599421 |
| F1 | 4,628,805 | 1.0332 | 4,480,067 | 15 | 21 | .002488913 |
| Random Totals: | 277,321,686 | 275,169,699 | 218 | 4,872 | ||
| Catg D1 Exception Values: | 3,930,946 | 3,712,730 | ||||
| Catg F1 Exception Values: | 11,683,953 | 11,428,804 | ||||
| Total Test Values (4): | 292,936,585 | 290,311,233 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 14,515,562 |
Confidence Interval Values (5)
| State Lower Limit: | 275,795,671 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 292,936,585 | (Within Confidence Interval) |
| State Upper Limit: | 304,826,795 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 316,968,343 | (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