2010 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 | 649,766,155 | 0.9785 | 664,043,081 | 25 | 5,040 | .004648217 |
| A | 619,089,228 | 0.9996 | 619,336,963 | 25 | 3,889 | .004423191 |
| A | 630,924,663 | 0.9980 | 632,189,041 | 25 | 3,216 | .001403183 |
| A | 635,515,867 | 0.9948 | 638,837,824 | 25 | 2,351 | .003303110 |
| F1 | 46,446,745 | 0.8574 | 54,171,618 | 10 | 95 | .020986521 |
| F1 | 51,873,358 | 0.9311 | 55,711,908 | 10 | 34 | .010356275 |
| F1 | 29,282,516 | 0.9709 | 30,160,177 | 6 | 9 | .007000099 |
| F1 | 56,892,240 | 0.9318 | 61,056,278 | 4 | 6 | .013805625 |
| L1 | 27,245,938 | 0.9561 | 28,496,954 | 10 | 209 | .048731112 |
| L1 | 43,476,439 | 0.9559 | 45,482,204 | 9 | 26 | .002052148 |
| L1 | 12,273,335 | 1.0795 | 11,369,463 | 2 | 2 | .012113013 |
| L1 | 53,730,089 | 0.9935 | 54,081,620 | 2 | 3 | .001163326 |
| Random Totals: | 2,856,516,573 | 2,894,937,131 | 153 | 14,880 | ||
| Catg J Exception Values: | 44,121,972 | 41,251,358 | ||||
| Catg D1 Exception Values: | 760,261 | 723,298 | ||||
| Total Test Values (4): | 2,901,398,806 | 2,936,911,787 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 146,845,589 |
Confidence Interval Values (5)
| State Lower Limit: | 2,790,066,198 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 2,901,398,806 | (Within Confidence Interval) |
| State Upper Limit: | 3,083,757,376 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 3,152,341,542 | (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