2011 Confidence Interval Detail
152/Lubbock
152-906/Lubbock-Cooper ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 313,309,092 | 1.0015 | 312,839,832 | 60 | 2,431 | .004163054 |
| A | 316,050,763 | 0.9825 | 321,680,166 | 55 | 1,650 | .007181328 |
| A | 317,157,388 | 1.0030 | 316,208,762 | 42 | 1,111 | .005511843 |
| A | 354,836,752 | 1.0135 | 350,110,263 | 27 | 713 | .005744131 |
| F1 | 38,965,452 | 1.0291 | 37,863,621 | 10 | 206 | .099115764 |
| F1 | 47,606,265 | 1.0218 | 46,590,590 | 8 | 68 | .005402355 |
| F1 | 34,172,804 | 1.0123 | 33,757,586 | 7 | 19 | .022150008 |
| F1 | 35,837,783 | 0.9545 | 37,546,132 | 4 | 6 | .008517992 |
| Random Totals: | 1,457,936,299 | 1,456,596,952 | 213 | 6,204 | ||
| Catg D1 Exception Values: | 19,993,459 | 18,000,144 | ||||
| Total Test Values (4): | 1,477,929,758 | 1,474,597,096 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 73,729,855 |
Confidence Interval Values (5)
| State Lower Limit: | 1,400,867,241 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,477,929,758 | (Within Confidence Interval) |
| State Upper Limit: | 1,548,326,951 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,635,998,985 | (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