2007 Confidence Interval Detail
133/Kerr
133-901/Center Point ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 15,792,003 | 0.9886 | 15,974,108 | 13 | 331 | .029259205 |
| A | 15,834,120 | 0.9524 | 16,625,493 | 11 | 184 | .054682289 |
| A | 15,776,185 | 0.8947 | 17,632,933 | 11 | 112 | .005707075 |
| A | 15,633,640 | 1.0107 | 15,468,131 | 11 | 68 | .010205698 |
| D3 | 110,097,311 | 0.9515 | 115,709,208 | 26 | 1,982 | .042955778 |
| F1 | 2,123,787 | 1.0144 | 2,093,639 | 11 | 26 | .014159046 |
| F1 | 2,067,019 | 0.9134 | 2,262,994 | 7 | 9 | .019958548 |
| Random Totals: | 177,324,065 | 185,766,506 | 90 | 2,712 | ||
| Catg D1 Exception Values: | 3,111,322 | 3,150,145 | ||||
| Catg F1 Exception Values: | 6,568,523 | 6,411,076 | ||||
| Total Test Values (4): | 187,003,910 | 195,327,727 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 9,766,386 |
Confidence Interval Values (5)
| State Lower Limit: | 185,561,341 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 187,003,910 | (Within Confidence Interval) |
| State Upper Limit: | 205,094,113 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 177,372,416 | (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
