2008 Confidence Interval Detail
152/Lubbock
152-908/Roosevelt ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,926,193 | 0.9277 | 25,790,873 | 12 | 545 | .231247212 |
| A | 25,325,773 | 0.9327 | 27,153,182 | 15 | 271 | .026166164 |
| A | 27,597,755 | 0.9975 | 27,666,922 | 13 | 193 | .017362253 |
| A | 31,750,479 | 1.0177 | 31,198,270 | 12 | 134 | .003036994 |
| D3 | 16,152,843 | 0.8723 | 18,517,532 | 12 | 884 | .021688565 |
| G1 | 10,478,216 | 0.9038 | 11,593,512 | 6 | 20 | .043954192 |
| G1 | 13,090,585 | 0.9533 | 13,731,863 | 3 | 5 | .012135419 |
| Random Totals: | 148,321,844 | 155,652,154 | 73 | 2,052 | ||
| Catg D1 Exception Values: | 20,597,073 | 15,623,549 | ||||
| Catg G1 Exception Values: | 29,511,005 | 25,265,694 | ||||
| Total Test Values (4): | 198,429,922 | 196,541,397 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,827,070 |
Confidence Interval Values (5)
| State Lower Limit: | 186,714,327 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 198,429,922 | (Within Confidence Interval) |
| State Upper Limit: | 206,368,467 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 210,020,802 | (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