2006 Confidence Interval Detail
140/Lamb
140-904/Littlefield ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 19,399,288 | 0.9397 | 20,644,129 | 24 | 1,041 | .132720267 |
| A | 19,402,021 | 0.9241 | 20,995,586 | 16 | 439 | .034931413 |
| A | 19,520,051 | 1.0216 | 19,107,333 | 15 | 259 | .011525211 |
| A | 19,213,816 | 0.9726 | 19,755,106 | 15 | 161 | .000832974 |
| D3 | 8,948,170 | 0.9398 | 9,521,356 | 12 | 1,537 | .089154763 |
| F1 | 4,671,254 | 1.0239 | 4,562,217 | 7 | 171 | .019512839 |
| F1 | 4,677,125 | 1.0364 | 4,512,857 | 6 | 39 | .039254003 |
| F1 | 4,862,327 | 0.9979 | 4,872,559 | 4 | 12 | .022559678 |
| F1 | 4,257,933 | 1.0176 | 4,184,290 | 3 | 4 | .004805482 |
| G1 | 2,453,790 | 0.9981 | 2,458,461 | 6 | 11 | .002084478 |
| L1 | 4,273,475 | 0.9426 | 4,533,710 | 6 | 89 | .032795878 |
| L1 | 4,245,681 | 0.9989 | 4,250,356 | 5 | 19 | .001155915 |
| L1 | 4,083,107 | 0.9747 | 4,189,091 | 5 | 8 | .002047883 |
| Random Totals: | 120,008,038 | 123,587,051 | 124 | 3,790 | ||
| Catg J Exception Values: | 9,924,920 | 9,681,429 | ||||
| Catg D1 Exception Values: | 13,824,417 | 17,343,600 | ||||
| Catg G1 Exception Values: | 12,735,070 | 12,799,023 | ||||
| Catg L1 Exception Values: | 3,720,978 | 3,828,815 | ||||
| Total Test Values (4): | 160,213,423 | 167,239,918 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 8,361,996 |
Confidence Interval Values (5)
| State Lower Limit: | 158,877,922 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 160,213,423 | (Within Confidence Interval) |
| State Upper Limit: | 175,601,914 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 176,551,222 | (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