2011 Confidence Interval Detail
220/Tarrant
220-910/Lake Worth ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 58,766,362 | 1.0156 | 57,863,688 | 13 | 1,117 | .094849685 |
| A | 62,264,396 | 1.0205 | 61,013,617 | 22 | 762 | .007593984 |
| A | 58,855,646 | 1.0034 | 58,656,215 | 18 | 563 | .019559750 |
| A | 60,568,468 | 1.0296 | 58,827,183 | 16 | 433 | .007312792 |
| B | 27,522,773 | 0.9390 | 29,310,727 | 8 | 20 | .020337660 |
| B | 36,170,963 | 0.8512 | 42,494,082 | 2 | 5 | .000149706 |
| F1 | 58,010,342 | 0.8726 | 66,479,879 | 9 | 101 | .016141133 |
| F1 | 65,751,278 | 0.8890 | 73,960,943 | 8 | 38 | .025143691 |
| F1 | 61,347,559 | 0.8681 | 70,668,770 | 6 | 13 | .001321222 |
| F1 | 58,414,445 | 0.8858 | 65,945,411 | 3 | 5 | .005767773 |
| G1 | 56,777,414 | 0.9916 | 57,258,384 | 11 | 43 | .003102890 |
| L1 | 17,647,794 | 1.1374 | 15,515,908 | 9 | 144 | .037924924 |
| L1 | 14,586,713 | 1.0398 | 14,028,383 | 8 | 28 | .005884846 |
| L1 | 36,364,493 | 1.0223 | 35,571,254 | 7 | 15 | .001267481 |
| Random Totals: | 673,048,646 | 707,594,444 | 140 | 3,287 | ||
| Catg D1 Exception Values: | 40,103 | 27,146 | ||||
| Total Test Values (4): | 673,088,749 | 707,621,590 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 35,381,080 |
Confidence Interval Values (5)
| State Lower Limit: | 672,240,510 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 673,088,749 | (Within Confidence Interval) |
| State Upper Limit: | 743,002,670 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 700,386,468 | (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