2008 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 | 3,598,570 | 0.8968 | 4,012,678 | 20 | 986 | .082054429 |
| G1 | 3,677,420 | 0.9801 | 3,752,087 | 9 | 77 | .005059317 |
| G1 | 3,732,640 | 0.9968 | 3,744,623 | 8 | 40 | .003740201 |
| G1 | 3,690,750 | 1.0770 | 3,426,880 | 7 | 28 | .003587167 |
| G1 | 3,588,280 | 0.9897 | 3,625,624 | 6 | 17 | .006446444 |
| Random Totals: | 18,287,660 | 18,561,892 | 50 | 1,148 | ||
| Catg J Exception Values: | 1,429,650 | 1,362,914 | ||||
| Catg D1 Exception Values: | 13,131,360 | 14,867,667 | ||||
| Total Test Values (4): | 32,848,670 | 34,792,473 |
Margin of Error
| Margin of Error Percent: | 5.0000010 |
|---|---|
| Margin of Error Value: | 1,739,624 |
Confidence Interval Values (5)
| Local Test Value: | 32,848,670 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 33,052,849 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 36,532,097 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 38,504,235 | (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