2009 Confidence Interval Detail
184/Parker
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 | 136,178,250 | 0.9891 | 137,678,951 | 33 | 1,652 | .034681219 |
| A | 137,217,360 | 0.9771 | 140,433,282 | 25 | 836 | .007434482 |
| A | 149,984,320 | 0.9896 | 151,560,550 | 36 | 576 | .000695264 |
| A | 147,741,850 | 0.9822 | 150,419,314 | 18 | 341 | .064858530 |
| D3 | 93,563,210 | 1.0347 | 90,425,447 | 13 | 1,680 | .020655139 |
| F1 | 8,026,800 | 0.9375 | 8,561,920 | 7 | 51 | .003342167 |
| F1 | 8,292,890 | 0.9825 | 8,440,601 | 10 | 26 | .001527848 |
| F1 | 7,368,850 | 0.9774 | 7,539,237 | 8 | 14 | .000593548 |
| Random Totals: | 688,373,530 | 695,059,302 | 150 | 5,176 | ||
| Catg D1 Exception Values: | 1,555,900 | 1,133,514 | ||||
| Catg F1 Exception Values: | 20,616,840 | 20,833,351 | ||||
| Total Test Values (4): | 710,546,270 | 717,026,167 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 35,851,308 |
Confidence Interval Values (5)
| State Lower Limit: | 681,174,859 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 710,546,270 | (Within Confidence Interval) |
| State Upper Limit: | 752,877,475 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 862,834,103 | (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