2007 Confidence Interval Detail
140/Lamb
140-905/Olton ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,781,450 | 0.6280 | 9,206,131 | 8 | 351 | .078443202 |
| A | 5,811,857 | 0.9083 | 6,398,609 | 8 | 145 | .070254515 |
| A | 5,740,431 | 0.8861 | 6,478,311 | 7 | 84 | .006276044 |
| A | 5,771,145 | 0.9789 | 5,895,541 | 8 | 45 | .009885981 |
| D3 | 13,182,328 | 0.8669 | 15,206,284 | 13 | 1,950 | .029051371 |
| F1 | 1,058,384 | 0.7050 | 1,501,254 | 6 | 56 | .013370652 |
| F1 | 1,127,496 | 0.8931 | 1,262,452 | 5 | 18 | .012250454 |
| F1 | 1,048,966 | 0.8768 | 1,196,357 | 3 | 5 | .007947112 |
| L1 | 1,525,327 | 1.0518 | 1,450,206 | 6 | 35 | .013865468 |
| L1 | 1,500,659 | 1.0032 | 1,495,872 | 5 | 11 | .009444272 |
| L1 | 1,582,877 | 0.9934 | 1,593,393 | 3 | 7 | .000028366 |
| Random Totals: | 44,130,920 | 51,684,410 | 72 | 2,707 | ||
| Catg J Exception Values: | 2,510,080 | 2,247,697 | ||||
| Catg D1 Exception Values: | 37,697,470 | 34,291,930 | ||||
| Catg F1 Exception Values: | 925,260 | 833,937 | ||||
| Catg L1 Exception Values: | 899,662 | 820,486 | ||||
| Total Test Values (4): | 86,163,392 | 89,878,460 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 4,493,923 |
Confidence Interval Values (5)
| State Lower Limit: | 85,384,537 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 86,163,392 | (Within Confidence Interval) |
| State Upper Limit: | 94,372,383 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 97,051,243 | (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
