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057/Dallas
2018 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 | 393,522,000 | 0.9453 | 416,293,240 | 50 | 3,353 | .020705254 |
| A | 393,583,790 | 0.9479 | 415,216,573 | 50 | 2,618 | .008554983 |
| A | 393,405,180 | 0.9575 | 410,867,029 | 50 | 2,280 | .006954864 |
| A | 393,276,000 | 0.9884 | 397,891,542 | 50 | 1,841 | .004933218 |
| F1 | 130,659,350 | 0.8263 | 158,125,802 | 9 | 162 | .034780019 |
| F1 | 127,232,070 | 0.9275 | 137,177,434 | 8 | 25 | .014544551 |
| F1 | 164,853,620 | 0.9932 | 165,982,300 | 5 | 10 | .004601679 |
| F1 | 175,230,060 | 1.0178 | 172,165,514 | 2 | 5 | .002348140 |
| L1 | 93,085,410 | 1.0184 | 91,403,584 | 10 | 140 | .017067944 |
| L1 | 76,400,420 | 0.9964 | 76,676,455 | 6 | 13 | .000158622 |
| L1 | 136,344,340 | 1.0014 | 136,153,725 | 3 | 6 | .000007630 |
| Random Totals: | 2,477,592,240 | 2,577,953,198 | 243 | 10,453 | ||
| Catg J Exception Values: | 90,386,739 | 101,204,738 | ||||
| Catg D1 Exception Values: | 1,153,066 | 949,952 | ||||
| Catg L1 Exception Values: | 105,242,180 | 105,253,992 | ||||
| Total Test Values (4): | 2,674,374,225 | 2,785,361,880 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 139,268,094 |
Confidence Interval Values (5)
| State Lower Limit: | 2,646,093,786 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,674,374,225 | (Within Confidence Interval) |
| State Upper Limit: | 2,924,629,974 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 2,582,072,856 | (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, D2, E, 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