2007 Confidence Interval Detail
129/Kaufman
129-902/Forney ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 335,212,218 | 0.9595 | 349,361,353 | 61 | 2,468 | .006868971 |
| A | 335,304,208 | 0.9703 | 345,567,565 | 67 | 1,950 | .004861220 |
| A | 335,194,016 | 1.0046 | 333,659,184 | 65 | 1,557 | .008294105 |
| A | 334,955,464 | 0.9981 | 335,593,091 | 59 | 1,125 | .005897507 |
| D3 | 111,349,944 | 1.0559 | 105,455,009 | 20 | 1,445 | .013687634 |
| F1 | 37,376,559 | 0.7328 | 51,005,130 | 9 | 162 | .187325864 |
| F1 | 37,961,419 | 0.8014 | 47,368,878 | 8 | 35 | .125777220 |
| F1 | 40,841,819 | 0.7933 | 51,483,448 | 5 | 13 | .045053664 |
| Random Totals: | 1,568,195,647 | 1,619,493,658 | 294 | 8,755 | ||
| Catg D1 Exception Values: | 4,521,470 | 3,104,439 | ||||
| Catg F1 Exception Values: | 23,928,750 | 28,060,286 | ||||
| Total Test Values (4): | 1,596,645,867 | 1,650,658,383 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 82,532,919 |
Confidence Interval Values (5)
| State Lower Limit: | 1,568,125,464 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,596,645,867 | (Within Confidence Interval) |
| State Upper Limit: | 1,733,191,302 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,197,244,001 | (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