2011 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 | 4,393,480 | 0.9719 | 4,520,506 | 22 | 987 | .012393776 |
| G1 | 1,656,370 | 1.0352 | 1,600,048 | 9 | 79 | .003782068 |
| G1 | 1,642,030 | 1.0234 | 1,604,485 | 8 | 36 | .022372851 |
| G1 | 1,715,790 | 1.0058 | 1,705,896 | 7 | 25 | .010101401 |
| G1 | 1,564,630 | 0.9859 | 1,587,007 | 6 | 14 | .015052523 |
| Random Totals: | 10,972,300 | 11,017,942 | 52 | 1,141 | ||
| Catg J Exception Values: | 545,587 | 490,839 | ||||
| Catg D1 Exception Values: | 12,058,910 | 13,679,386 | ||||
| Total Test Values (4): | 23,576,797 | 25,188,167 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,259,408 |
Confidence Interval Values (5)
| Local Test Value: | 23,576,797 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 23,928,759 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 26,447,575 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 30,351,175 | (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