2007 Confidence Interval Detail
221/Taylor
221-912/Wylie ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 168,464,808 | 0.9658 | 174,430,325 | 7 | 1,592 | .001993613 |
| A | 168,428,315 | 0.9840 | 171,166,987 | 17 | 1,006 | .002782460 |
| A | 168,412,394 | 0.9859 | 170,820,970 | 12 | 763 | .002586789 |
| A | 168,133,441 | 1.0119 | 166,156,182 | 10 | 452 | .000773123 |
| D3 | 136,086,721 | 0.9866 | 137,935,051 | 15 | 2,828 | .004236667 |
| F1 | 18,067,719 | 0.9796 | 18,443,976 | 6 | 66 | .002628289 |
| F1 | 17,932,923 | 0.9845 | 18,215,260 | 5 | 20 | .001511323 |
| F1 | 21,485,217 | 0.9883 | 21,739,570 | 4 | 8 | .004805103 |
| Random Totals: | 867,011,538 | 878,908,321 | 76 | 6,735 | ||
| Catg D1 Exception Values: | 5,726,219 | 5,190,134 | ||||
| Catg F1 Exception Values: | 66,969,203 | 60,890,319 | ||||
| Total Test Values (4): | 939,706,960 | 944,988,774 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 47,249,439 |
Confidence Interval Values (5)
| State Lower Limit: | 897,739,335 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 939,706,960 | (Within Confidence Interval) |
| State Upper Limit: | 992,238,213 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,056,806,632 | (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