2007 Confidence Interval Detail
152/Lubbock
152-909/Shallowater ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 28,563,213 | 0.7750 | 36,855,759 | 15 | 578 | .028659193 |
| A | 28,514,800 | 0.9327 | 30,572,317 | 15 | 299 | .026441895 |
| A | 28,484,005 | 1.0388 | 27,420,105 | 17 | 184 | .048074158 |
| A | 28,424,710 | 1.0633 | 26,732,540 | 19 | 120 | .110123012 |
| D3 | 11,179,101 | 0.9229 | 12,113,014 | 26 | 667 | .193840241 |
| G1 | 12,007,875 | 0.8668 | 13,853,109 | 7 | 28 | .044110471 |
| Random Totals: | 137,173,704 | 147,546,844 | 99 | 1,876 | ||
| Catg D1 Exception Values: | 14,905,875 | 10,153,320 | ||||
| Catg G1 Exception Values: | 12,199,627 | 11,651,186 | ||||
| Total Test Values (4): | 164,279,206 | 169,351,350 |
Margin of Error
| Margin of Error Percent: | 5.0000003 |
|---|---|
| Margin of Error Value: | 8,467,568 |
Confidence Interval Values (5)
| State Lower Limit: | 160,883,782 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 164,279,206 | (Within Confidence Interval) |
| State Upper Limit: | 177,818,918 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 182,771,925 | (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