2009 Confidence Interval Detail
043/Collin
043-919/Lovejoy ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 334,864,213 | 0.9606 | 348,599,014 | 45 | 1,369 | .011044012 |
| A | 353,653,495 | 0.9689 | 365,005,155 | 32 | 1,066 | .005886881 |
| A | 363,789,187 | 0.9938 | 366,058,751 | 38 | 807 | .004797764 |
| A | 376,163,864 | 0.9746 | 385,967,437 | 21 | 521 | .012214206 |
| Random Totals: | 1,428,470,759 | 1,465,630,357 | 136 | 3,763 | ||
| Catg D1 Exception Values: | 281,810 | 252,448 | ||||
| Total Test Values (4): | 1,428,752,569 | 1,465,882,805 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 73,294,140 |
Confidence Interval Values (5)
| State Lower Limit: | 1,392,588,665 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 1,428,752,569 | (Within Confidence Interval) |
| State Upper Limit: | 1,539,176,945 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 1,473,904,129 | (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