2010 Confidence Interval Detail
057/Dallas
057-913/Lancaster ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 266,155,070 | 0.9705 | 274,245,307 | 25 | 3,804 | .012304743 |
| A | 232,178,230 | 1.0289 | 225,656,750 | 25 | 2,381 | .012573794 |
| A | 211,413,700 | 1.0399 | 203,301,952 | 25 | 1,774 | .008931330 |
| A | 188,473,100 | 1.0039 | 187,740,910 | 24 | 1,169 | .032486044 |
| F1 | 59,945,110 | 0.9530 | 62,901,480 | 9 | 161 | .024812175 |
| F1 | 60,284,550 | 0.9551 | 63,118,574 | 8 | 39 | .034700616 |
| F1 | 56,838,090 | 0.9422 | 60,324,867 | 5 | 9 | .012311460 |
| F1 | 80,932,780 | 1.0081 | 80,282,492 | 3 | 6 | .001850992 |
| L1 | 24,344,380 | 1.0732 | 22,683,917 | 16 | 168 | .025154025 |
| L1 | 22,553,180 | 0.9898 | 22,785,593 | 15 | 27 | .121535624 |
| L1 | 23,785,720 | 0.9260 | 25,686,523 | 7 | 8 | .024682651 |
| Random Totals: | 1,226,903,910 | 1,228,728,365 | 162 | 9,546 | ||
| Catg J Exception Values: | 83,155,050 | 90,926,522 | ||||
| Catg D1 Exception Values: | 1,329,258 | 1,695,402 | ||||
| Catg L1 Exception Values: | 45,774,980 | 46,329,484 | ||||
| Total Test Values (4): | 1,357,163,198 | 1,367,679,773 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 68,383,989 |
Confidence Interval Values (5)
| State Lower Limit: | 1,299,295,784 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,357,163,198 | (Within Confidence Interval) |
| State Upper Limit: | 1,436,063,762 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,498,085,292 | (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