2008 Confidence Interval Detail
043/Collin
043-914/Wylie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 526,039,530 | 0.9900 | 531,353,061 | 24 | 4,078 | .001798051 |
| A | 558,952,035 | 0.9862 | 566,773,509 | 25 | 3,599 | .001643514 |
| A | 593,102,424 | 0.9985 | 593,993,414 | 22 | 3,182 | .001513659 |
| A | 704,788,876 | 0.9876 | 713,637,987 | 23 | 2,684 | .001792991 |
| D3 | 58,308,759 | 0.8186 | 71,229,855 | 10 | 821 | .003296002 |
| F1 | 28,876,063 | 0.9827 | 29,384,413 | 7 | 87 | .013819367 |
| F1 | 44,917,722 | 1.0383 | 43,260,832 | 8 | 45 | .009733186 |
| F1 | 33,685,853 | 1.0653 | 31,621,002 | 5 | 14 | .012394130 |
| F1 | 72,590,038 | 0.9585 | 75,732,956 | 4 | 11 | .002759723 |
| L1 | 27,966,182 | 1.0974 | 25,484,037 | 7 | 203 | .017378152 |
| L1 | 23,445,385 | 1.0388 | 22,569,681 | 5 | 20 | .002634327 |
| L1 | 34,069,921 | 0.9878 | 34,490,708 | 4 | 6 | .000265617 |
| Random Totals: | 2,706,742,788 | 2,739,531,455 | 144 | 14,750 | ||
| Catg D1 Exception Values: | 728,895 | 714,463 | ||||
| Catg L1 Exception Values: | 56,102,950 | 61,452,449 | ||||
| Total Test Values (4): | 2,763,574,633 | 2,801,698,367 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 140,084,918 |
Confidence Interval Values (5)
| State Lower Limit: | 2,661,613,449 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,763,574,633 | (Within Confidence Interval) |
| State Upper Limit: | 2,941,783,285 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,059,940,240 | (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