2007 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 | 35,856,187 | 0.9592 | 37,381,346 | 19 | 615 | .013292685 |
| A | 35,772,190 | 0.9369 | 38,181,439 | 11 | 403 | .045654026 |
| A | 35,840,868 | 0.9776 | 36,662,099 | 17 | 289 | .002756181 |
| A | 35,743,852 | 0.9721 | 36,769,727 | 11 | 185 | .009051524 |
| D3 | 94,085,757 | 0.8684 | 108,343,801 | 31 | 2,689 | .305912830 |
| Random Totals: | 237,298,854 | 257,338,412 | 89 | 4,181 | ||
| Catg J Exception Values: | 12,426,629 | 13,485,376 | ||||
| Catg D1 Exception Values: | 3,998,375 | 3,620,586 | ||||
| Total Test Values (4): | 253,723,858 | 274,444,374 |
Margin of Error
| Margin of Error Percent: | 8.0080734 |
|---|---|
| Margin of Error Value: | 21,977,707 |
Confidence Interval Values (5)
| State Lower Limit: | 252,466,667 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 253,723,858 | (Within Confidence Interval) |
| State Upper Limit: | 296,422,081 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 300,660,670 | (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