2007 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 | 4,760,306 | 1.0040 | 4,741,341 | 12 | 112 | .080230935 |
| A | 4,802,407 | 1.0897 | 4,407,091 | 10 | 63 | .019003601 |
| A | 4,709,741 | 1.0379 | 4,537,760 | 12 | 38 | .010987483 |
| A | 4,745,556 | 1.0648 | 4,456,758 | 9 | 22 | .008793618 |
| D3 | 54,710,114 | 0.9722 | 56,274,546 | 29 | 2,305 | .049067575 |
| G1 | 6,184,090 | 1.1007 | 5,618,325 | 11 | 41 | .106338522 |
| Random Totals: | 79,912,214 | 80,035,821 | 83 | 2,581 | ||
| Catg D1 Exception Values: | 8,932,060 | 9,195,255 | ||||
| Total Test Values (4): | 88,844,274 | 89,231,076 |
Margin of Error
| Margin of Error Percent: | 5.3264448 |
|---|---|
| Margin of Error Value: | 4,752,844 |
Confidence Interval Values (5)
| State Lower Limit: | 84,478,232 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 88,844,274 | (Within Confidence Interval) |
| State Upper Limit: | 93,983,920 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 87,501,438 | (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