2009 Confidence Interval Detail
220/Tarrant
220-915/Azle ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 249,319,718 | 0.9784 | 254,823,915 | 18 | 2,696 | .002527246 |
| A | 268,145,573 | 0.9980 | 268,682,939 | 33 | 1,731 | .004517190 |
| A | 236,664,094 | 0.9947 | 237,925,097 | 22 | 990 | .001005514 |
| A | 255,412,354 | 1.0183 | 250,822,306 | 13 | 617 | .004457663 |
| F1 | 28,387,755 | 0.9572 | 29,657,078 | 7 | 166 | .013545878 |
| F1 | 27,828,811 | 0.9232 | 30,143,859 | 6 | 70 | .037022615 |
| F1 | 30,807,462 | 0.8387 | 36,732,398 | 6 | 38 | .006232972 |
| F1 | 32,136,149 | 0.9082 | 35,384,441 | 4 | 12 | .010201010 |
| Random Totals: | 1,128,701,916 | 1,144,172,033 | 109 | 6,320 | ||
| Catg D1 Exception Values: | 429,285 | 321,291 | ||||
| Total Test Values (4): | 1,129,131,201 | 1,144,493,324 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 57,224,666 |
Confidence Interval Values (5)
| State Lower Limit: | 1,087,268,658 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,129,131,201 | (Within Confidence Interval) |
| State Upper Limit: | 1,201,717,990 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,440,194,234 | (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