2007 Confidence Interval Detail
072/Erath
072-904/Bluff Dale ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 7,409,083 | 1.0504 | 7,053,582 | 6 | 83 | .101259423 |
| A | 7,245,268 | 1.1561 | 6,266,991 | 6 | 31 | .014043615 |
| A | 7,279,059 | 1.2758 | 5,705,486 | 5 | 24 | .017488426 |
| A | 7,263,871 | 1.3178 | 5,512,119 | 5 | 18 | .003662110 |
| C | 13,802,280 | 1.0937 | 12,619,804 | 7 | 521 | .141613991 |
| C | 2,777,926 | 1.1797 | 2,354,773 | 6 | 82 | .014220798 |
| C | 9,873,957 | 1.0906 | 9,053,692 | 7 | 204 | .015627061 |
| C | 5,710,346 | 1.1528 | 4,953,458 | 6 | 78 | .000870954 |
| D3 | 27,734,110 | 1.0338 | 26,827,346 | 11 | 791 | .045294279 |
| Random Totals: | 89,095,900 | 80,347,251 | 59 | 1,832 | ||
| Catg J Exception Values: | 2,162,754 | 2,680,221 | ||||
| Catg D1 Exception Values: | 3,768,950 | 3,035,885 | ||||
| Total Test Values (4): | 95,027,604 | 86,063,357 |
Margin of Error
| Margin of Error Percent: | 6.2738234 |
|---|---|
| Margin of Error Value: | 5,399,463 |
Confidence Interval Values (5)
| State Lower Limit: | 80,663,894 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| State Upper Limit: | 91,462,820 | (State Test Value plus Margin of Error Percent) |
| Local Test Value: | 95,027,604 | (Outside Confidence Interval) |
| Value Assigned (6): | 112,673,424 | (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