2007 Confidence Interval Detail
057/Dallas
057-904/Cedar Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 490,992,810 | 0.8980 | 546,762,595 | 21 | 4,413 | .050257858 |
| A | 489,582,155 | 0.9702 | 504,619,826 | 17 | 3,559 | .011125291 |
| A | 490,317,866 | 0.9793 | 500,681,983 | 21 | 2,682 | .009037945 |
| A | 490,051,393 | 0.9879 | 496,053,642 | 22 | 1,196 | .003217398 |
| C | 38,342,227 | 0.9984 | 38,403,673 | 12 | 1,006 | .028575957 |
| C | 36,256,235 | 1.0037 | 36,122,581 | 12 | 516 | .026078596 |
| C | 37,245,543 | 1.0232 | 36,401,039 | 12 | 301 | .018443444 |
| C | 37,077,087 | 1.0253 | 36,162,184 | 6 | 69 | .034775516 |
| F1 | 105,979,366 | 0.8922 | 118,784,315 | 7 | 159 | .019064232 |
| F1 | 111,449,231 | 0.8428 | 132,236,866 | 6 | 38 | .016747909 |
| F1 | 101,246,644 | 0.8942 | 113,225,949 | 4 | 11 | .013532801 |
| F1 | 105,123,800 | 0.8689 | 120,984,923 | 3 | 4 | .005892681 |
| L1 | 41,567,681 | 0.9682 | 42,932,949 | 7 | 235 | .076386783 |
| L1 | 40,792,001 | 1.0638 | 38,345,555 | 7 | 30 | .002406515 |
| L1 | 41,532,615 | 1.1019 | 37,691,819 | 6 | 11 | .007780988 |
| L1 | 40,551,575 | 1.0302 | 39,362,818 | 3 | 4 | .000805080 |
| Random Totals: | 2,698,108,229 | 2,838,772,717 | 166 | 14,234 | ||
| Catg D1 Exception Values: | 369,533 | 330,583 | ||||
| Total Test Values (4): | 2,698,477,762 | 2,839,103,300 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 141,955,165 |
Confidence Interval Values (5)
| State Lower Limit: | 2,697,148,135 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,698,477,762 | (Within Confidence Interval) |
| State Upper Limit: | 2,981,058,465 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,871,211,790 | (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