2009 Confidence Interval Detail
049/Cooke
091-909/Whitesboro ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,865,576 | 1.2007 | 4,052,283 | 9 | 104 | .139664786 |
| A | 4,889,105 | 0.9677 | 5,052,294 | 12 | 53 | .005058802 |
| A | 5,739,449 | 1.1420 | 5,025,787 | 10 | 42 | .038439381 |
| A | 4,377,626 | 1.0251 | 4,270,438 | 9 | 22 | .003873956 |
| D3 | 25,235,067 | 0.8789 | 28,712,103 | 20 | 635 | .050224852 |
| Random Totals: | 45,106,823 | 47,112,905 | 60 | 856 | ||
| Catg D1 Exception Values: | 1,572,347 | 1,459,501 | ||||
| Total Test Values (4): | 46,679,170 | 48,572,406 |
Margin of Error
| Margin of Error Percent: | 6.2779760 |
|---|---|
| Margin of Error Value: | 3,049,364 |
Confidence Interval Values (5)
| State Lower Limit: | 45,523,042 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 46,679,170 | (Within Confidence Interval) |
| State Upper Limit: | 51,621,770 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 48,405,300 | (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