2008 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 | 19,361,800 | 0.8266 | 23,423,421 | 11 | 983 | .569467354 |
| A | 20,275,320 | 1.0663 | 19,014,649 | 14 | 416 | .072503327 |
| A | 19,729,540 | 0.9846 | 20,038,127 | 10 | 244 | .016903503 |
| A | 28,254,200 | 1.0618 | 26,609,719 | 10 | 215 | .011542911 |
| D3 | 9,185,250 | 1.0134 | 9,063,795 | 18 | 1,539 | .019896147 |
| F1 | 4,448,250 | 0.8846 | 5,028,544 | 7 | 169 | .001197284 |
| F1 | 4,359,590 | 0.9212 | 4,732,512 | 7 | 37 | .009048399 |
| F1 | 5,630,750 | 1.0184 | 5,529,016 | 6 | 15 | .002666666 |
| F1 | 6,291,130 | 0.9518 | 6,609,718 | 3 | 6 | .007168185 |
| G1 | 6,631,300 | 1.0334 | 6,416,973 | 5 | 13 | .002754775 |
| L1 | 4,426,820 | 0.9531 | 4,644,654 | 6 | 75 | .014135817 |
| L1 | 4,011,740 | 0.9866 | 4,066,227 | 5 | 16 | .000070273 |
| L1 | 9,383,350 | 0.9962 | 9,419,143 | 4 | 10 | .000353072 |
| Random Totals: | 141,989,040 | 144,596,498 | 106 | 3,738 | ||
| Catg J Exception Values: | 10,047,930 | 9,641,339 | ||||
| Catg D1 Exception Values: | 25,307,206 | 23,184,777 | ||||
| Catg G1 Exception Values: | 17,599,560 | 16,799,580 | ||||
| Total Test Values (4): | 194,943,736 | 194,222,194 |
Margin of Error
| Margin of Error Percent: | 5.7422644 |
|---|---|
| Margin of Error Value: | 11,152,752 |
Confidence Interval Values (5)
| State Lower Limit: | 183,069,442 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 194,943,736 | (Within Confidence Interval) |
| State Upper Limit: | 205,374,946 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 208,985,058 | (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