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043/Collin
2018 Confidence Interval Detail
043/Collin
043-902/Anna ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 90,876,824 | 0.9263 | 98,107,335 | 19 | 576 | .005538494 |
| A | 174,293,561 | 0.9402 | 185,379,240 | 48 | 945 | .002029801 |
| A | 358,444,338 | 0.9676 | 370,446,815 | 75 | 1,708 | .010439548 |
| A | 385,654,629 | 0.9783 | 394,208,964 | 75 | 1,371 | .009958318 |
| E | 160,975,263 | 0.9461 | 170,146,140 | 16 | 726 | .008499401 |
| F1 | 18,587,906 | 0.7257 | 25,613,761 | 8 | 37 | .420433115 |
| F1 | 21,124,812 | 0.9939 | 21,254,464 | 6 | 12 | .052790515 |
| F1 | 23,342,577 | 1.0107 | 23,095,456 | 3 | 7 | .001613039 |
| Random Totals: | 1,233,299,910 | 1,288,252,175 | 250 | 5,382 | ||
| Catg D1 Exception Values: | 3,687,833 | 2,643,275 | ||||
| Catg F1 Exception Values: | 9,068,279 | 6,236,391 | ||||
| Total Test Values (4): | 1,246,056,022 | 1,297,131,841 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 64,856,592 |
Confidence Interval Values (5)
| State Lower Limit: | 1,232,275,249 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,246,056,022 | (Within Confidence Interval) |
| State Upper Limit: | 1,361,988,433 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,288,124,468 | (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