2011 Confidence Interval Detail
072/Erath
018-906/Iredell ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 5,599,480 | 0.9814 | 5,705,604 | 15 | 167 | .010060383 |
| Random Totals: | 5,599,480 | 5,705,604 | 15 | 167 | ||
| Catg D1 Exception Values: | 1,118,030 | 1,086,638 | ||||
| Catg F1 Exception Values: | 558,730 | 559,010 | ||||
| Total Test Values (4): | 7,276,240 | 7,351,252 |
Margin of Error
| Margin of Error Percent: | 5.0000054 |
|---|---|
| Margin of Error Value: | 367,563 |
Confidence Interval Values (5)
| State Lower Limit: | 6,983,689 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 7,276,240 | (Within Confidence Interval) |
| State Upper Limit: | 7,718,815 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 18,320,108 | (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