2006 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 | 25,162,595 | 0.7892 | 31,883,673 | 15 | 553 | .254843779 |
| A | 25,221,952 | 0.8334 | 30,263,921 | 18 | 293 | .065303063 |
| A | 25,103,063 | 0.9445 | 26,578,150 | 15 | 185 | .011855776 |
| A | 25,099,973 | 0.9299 | 26,992,121 | 15 | 116 | .005940472 |
| D3 | 8,890,213 | 0.9007 | 9,870,338 | 23 | 679 | .170870808 |
| G1 | 10,391,247 | 0.9615 | 10,807,329 | 9 | 29 | .005982943 |
| Random Totals: | 119,869,043 | 136,395,532 | 95 | 1,855 | ||
| Catg D1 Exception Values: | 11,069,704 | 6,878,479 | ||||
| Catg G1 Exception Values: | 9,410,239 | 9,848,021 | ||||
| Total Test Values (4): | 140,348,986 | 153,122,032 |
Margin of Error
| Margin of Error Percent: | 6.0021408 |
|---|---|
| Margin of Error Value: | 9,190,600 |
Confidence Interval Values (5)
| Local Test Value: | 140,348,986 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 143,931,432 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 162,312,632 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 155,429,843 | (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