2007 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 | 25,918,116 | 0.8998 | 28,804,308 | 14 | 584 | .128456265 |
| A | 25,878,827 | 0.9050 | 28,595,389 | 21 | 275 | .036841030 |
| A | 25,811,274 | 0.9814 | 26,300,463 | 14 | 172 | .010793551 |
| A | 25,815,533 | 0.9756 | 26,461,186 | 12 | 108 | .011545956 |
| D3 | 14,905,972 | 0.9871 | 15,100,772 | 15 | 860 | .020425444 |
| G1 | 8,437,435 | 0.9518 | 8,864,714 | 5 | 20 | .000791073 |
| G1 | 7,576,384 | 1.0404 | 7,282,184 | 2 | 3 | .002658661 |
| Random Totals: | 134,343,541 | 141,409,016 | 83 | 2,022 | ||
| Catg D1 Exception Values: | 19,816,491 | 13,414,329 | ||||
| Catg G1 Exception Values: | 26,216,966 | 24,844,000 | ||||
| Total Test Values (4): | 180,376,998 | 179,667,345 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,983,367 |
Confidence Interval Values (5)
| State Lower Limit: | 170,683,978 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 180,376,998 | (Within Confidence Interval) |
| State Upper Limit: | 188,650,712 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 190,150,818 | (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