2009 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 | 40,203,228 | 0.9663 | 41,605,328 | 8 | 693 | .015475174 |
| A | 36,517,296 | 0.8932 | 40,883,672 | 8 | 392 | .038535708 |
| A | 40,292,030 | 1.0124 | 39,798,528 | 11 | 303 | .005975295 |
| A | 44,091,871 | 0.9687 | 45,516,539 | 8 | 207 | .003698008 |
| D3 | 97,571,456 | 0.9608 | 101,552,306 | 20 | 2,754 | .016101958 |
| F1 | 6,762,383 | 0.8359 | 8,089,943 | 7 | 55 | .063540266 |
| F1 | 6,428,126 | 0.9114 | 7,053,024 | 5 | 20 | .034500157 |
| Random Totals: | 271,866,390 | 284,499,340 | 67 | 4,424 | ||
| Catg D1 Exception Values: | 4,174,140 | 3,765,221 | ||||
| Catg F1 Exception Values: | 11,019,905 | 10,924,286 | ||||
| Total Test Values (4): | 287,060,435 | 299,188,847 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 14,959,442 |
Confidence Interval Values (5)
| State Lower Limit: | 284,229,405 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 287,060,435 | (Within Confidence Interval) |
| State Upper Limit: | 314,148,289 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 333,914,517 | (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
