2008 Confidence Interval Detail
070/Ellis
070-911/Red Oak ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 227,879,061 | 1.0059 | 226,542,460 | 32 | 2,174 | .003519477 |
| A | 254,411,146 | 1.0067 | 252,717,936 | 60 | 1,858 | .003310792 |
| A | 265,153,559 | 1.0071 | 263,284,241 | 67 | 1,506 | .002522186 |
| A | 267,227,434 | 1.0011 | 266,933,807 | 44 | 973 | .002099459 |
| F1 | 18,543,400 | 0.8992 | 20,622,109 | 9 | 106 | .034664461 |
| F1 | 20,039,350 | 0.8310 | 24,114,741 | 9 | 40 | .032099483 |
| F1 | 17,939,014 | 1.0156 | 17,663,464 | 5 | 18 | .037239744 |
| Random Totals: | 1,071,192,964 | 1,071,878,758 | 226 | 6,675 | ||
| Catg D1 Exception Values: | 1,552,736 | 1,330,696 | ||||
| Catg F1 Exception Values: | 21,139,080 | 21,387,744 | ||||
| Total Test Values (4): | 1,093,884,780 | 1,094,597,198 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 54,729,860 |
Confidence Interval Values (5)
| State Lower Limit: | 1,039,867,338 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,093,884,780 | (Within Confidence Interval) |
| State Upper Limit: | 1,149,327,058 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,192,345,374 | (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