2009 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 | 21,857,670 | 0.9996 | 21,866,417 | 15 | 1,030 | .027097972 |
| A | 21,574,560 | 0.8981 | 24,022,447 | 14 | 400 | .017637981 |
| A | 22,012,650 | 0.9871 | 22,300,324 | 14 | 245 | .011890766 |
| A | 22,059,830 | 0.9789 | 22,535,325 | 14 | 154 | .007646371 |
| D3 | 9,290,525 | 0.9785 | 9,494,660 | 11 | 1,533 | .002391924 |
| F1 | 5,100,920 | 0.9055 | 5,633,263 | 7 | 166 | .025943654 |
| F1 | 5,418,740 | 0.9619 | 5,633,371 | 7 | 33 | .006827378 |
| F1 | 5,586,470 | 1.0058 | 5,554,255 | 4 | 10 | .000876239 |
| G1 | 7,641,060 | 0.9364 | 8,160,038 | 4 | 10 | .000653882 |
| L1 | 4,054,620 | 0.9517 | 4,260,397 | 6 | 66 | .010571832 |
| L1 | 3,890,970 | 0.9702 | 4,010,482 | 5 | 15 | .001542834 |
| L1 | 16,595,930 | 1.0036 | 16,536,399 | 5 | 9 | .000556043 |
| Random Totals: | 145,083,945 | 150,007,378 | 106 | 3,671 | ||
| Catg J Exception Values: | 10,326,710 | 9,758,868 | ||||
| Catg D1 Exception Values: | 35,135,432 | 28,807,434 | ||||
| Catg F1 Exception Values: | 4,939,280 | 4,738,280 | ||||
| Catg G1 Exception Values: | 14,236,500 | 14,026,404 | ||||
| Total Test Values (4): | 209,721,867 | 207,338,364 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 10,366,918 |
Confidence Interval Values (5)
| State Lower Limit: | 196,971,446 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 209,721,867 | (Within Confidence Interval) |
| State Upper Limit: | 217,705,282 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 224,257,998 | (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