2009 Confidence Interval Detail
049/Cooke
049-906/Era ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,667,218 | 0.8717 | 5,354,156 | 8 | 110 | .027181854 |
| A | 4,578,171 | 1.0168 | 4,502,529 | 8 | 58 | .009138461 |
| A | 5,627,655 | 0.9753 | 5,770,178 | 8 | 46 | .018040045 |
| A | 5,051,925 | 0.9805 | 5,152,397 | 5 | 23 | .004066995 |
| D3 | 57,663,290 | 0.9954 | 57,929,767 | 31 | 2,308 | .020815396 |
| G1 | 8,876,810 | 1.1737 | 7,563,100 | 5 | 24 | .027882372 |
| G1 | 8,412,908 | 1.0380 | 8,104,921 | 4 | 8 | .007346706 |
| G1 | 10,461,020 | 1.0159 | 10,297,293 | 3 | 5 | .001132211 |
| Random Totals: | 105,338,997 | 104,674,341 | 72 | 2,582 | ||
| Catg D1 Exception Values: | 9,138,968 | 9,068,874 | ||||
| Catg G1 Exception Values: | 6,640,090 | 6,681,095 | ||||
| Total Test Values (4): | 121,118,055 | 120,424,310 |
Margin of Error
| Margin of Error Percent: | 5.0000004 |
|---|---|
| Margin of Error Value: | 6,021,216 |
Confidence Interval Values (5)
| State Lower Limit: | 114,403,094 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 121,118,055 | (Within Confidence Interval) |
| State Upper Limit: | 126,445,526 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 120,073,116 | (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