2010 Confidence Interval Detail
039/Clay
039-903/Petrolia ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,489,820 | 1.0640 | 10,798,703 | 14 | 268 | .029914321 |
| A | 11,804,720 | 0.8781 | 13,443,480 | 12 | 144 | .027696356 |
| A | 12,637,890 | 0.9444 | 13,381,925 | 11 | 92 | .025594165 |
| A | 11,895,960 | 1.0138 | 11,734,030 | 10 | 59 | .039895074 |
| D3 | 21,870,540 | 0.9949 | 21,982,652 | 19 | 1,329 | .010096127 |
| Random Totals: | 69,698,930 | 71,340,790 | 66 | 1,892 | ||
| Catg J Exception Values: | 4,167,544 | 4,322,566 | ||||
| Catg D1 Exception Values: | 8,146,570 | 8,422,795 | ||||
| Total Test Values (4): | 82,013,044 | 84,086,151 |
Margin of Error
| Margin of Error Percent: | 5.0000005 |
|---|---|
| Margin of Error Value: | 4,204,308 |
Confidence Interval Values (5)
| State Lower Limit: | 79,881,843 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 82,013,044 | (Within Confidence Interval) |
| State Upper Limit: | 88,290,459 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 90,843,233 | (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