2007 Confidence Interval Detail
044/Collingsworth
044-904/Samnorwood ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 3,388,520 | 0.9451 | 3,585,356 | 10 | 995 | .270970780 |
| G1 | 3,428,070 | 0.9104 | 3,765,455 | 6 | 77 | .005828011 |
| G1 | 3,399,990 | 1.0131 | 3,356,026 | 6 | 40 | .009252721 |
| G1 | 3,428,070 | 1.0363 | 3,307,990 | 6 | 28 | .012727586 |
| G1 | 3,337,540 | 1.0391 | 3,211,953 | 5 | 17 | .001731612 |
| Random Totals: | 16,982,190 | 17,226,780 | 33 | 1,157 | ||
| Catg J Exception Values: | 1,407,781 | 1,391,186 | ||||
| Catg D1 Exception Values: | 12,265,350 | 14,788,331 | ||||
| Total Test Values (4): | 30,655,321 | 33,406,297 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 1,670,315 |
Confidence Interval Values (5)
| Local Test Value: | 30,655,321 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 31,735,982 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 35,076,612 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 36,436,407 | (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