2006 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 | 24,825,627 | 0.8734 | 28,424,121 | 15 | 558 | .063225226 |
| A | 24,902,430 | 0.8606 | 28,936,126 | 14 | 268 | .051943306 |
| A | 24,758,455 | 0.9649 | 25,659,089 | 14 | 171 | .010527517 |
| A | 24,814,763 | 1.0236 | 24,242,637 | 13 | 107 | .005517809 |
| D3 | 16,340,844 | 0.9375 | 17,430,234 | 25 | 857 | .023112128 |
| G1 | 6,022,379 | 0.9672 | 6,226,612 | 6 | 26 | .005754564 |
| G1 | 6,382,447 | 0.9466 | 6,742,496 | 4 | 12 | .012929267 |
| G1 | 11,299,003 | 1.0152 | 11,129,830 | 2 | 3 | .001256474 |
| Random Totals: | 139,345,948 | 148,791,145 | 93 | 2,002 | ||
| Catg D1 Exception Values: | 14,448,827 | 8,972,435 | ||||
| Catg G1 Exception Values: | 12,047,063 | 12,278,022 | ||||
| Total Test Values (4): | 165,841,838 | 170,041,602 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,502,080 |
Confidence Interval Values (5)
| State Lower Limit: | 161,539,522 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 165,841,838 | (Within Confidence Interval) |
| State Upper Limit: | 178,543,682 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 173,818,938 | (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