2006 Confidence Interval Detail
090/Gray
090-903/McLean ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,314,540 | 0.8354 | 9,952,765 | 20 | 499 | .081015668 |
| D3 | 6,132,910 | 0.6295 | 9,742,510 | 19 | 1,131 | .754310450 |
| G1 | 27,010,463 | 1.1501 | 23,485,317 | 11 | 231 | .140257659 |
| G1 | 26,969,446 | 1.0794 | 24,985,590 | 10 | 99 | .027110348 |
| G1 | 27,074,157 | 1.1468 | 23,608,438 | 9 | 60 | .023606141 |
| G1 | 26,527,514 | 1.2756 | 20,796,107 | 8 | 34 | .026842760 |
| Random Totals: | 122,029,030 | 112,570,727 | 77 | 2,054 | ||
| Catg J Exception Values: | 5,884,704 | 6,952,134 | ||||
| Catg D1 Exception Values: | 8,676,750 | 11,151,903 | ||||
| Total Test Values (4): | 136,590,484 | 130,674,764 |
Margin of Error
| Margin of Error Percent: | 5.8311159 |
|---|---|
| Margin of Error Value: | 7,619,797 |
Confidence Interval Values (5)
| State Lower Limit: | 123,054,967 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 136,590,484 | (Within Confidence Interval) |
| State Upper Limit: | 138,294,561 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 159,064,862 | (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