2012 Confidence Interval Detail
109/Hill
109-910/Mount Calm ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,767,730 | 0.9500 | 1,860,768 | 9 | 60 | .003146227 |
| A | 2,459,210 | 0.9665 | 2,544,449 | 8 | 51 | .002680745 |
| A | 2,020,900 | 0.9984 | 2,024,139 | 8 | 29 | .000481396 |
| A | 2,071,040 | 0.9996 | 2,071,869 | 6 | 16 | .001419646 |
| D3 | 10,143,650 | 0.9617 | 10,547,624 | 15 | 550 | .010700548 |
| Random Totals: | 18,462,530 | 19,048,849 | 46 | 706 | ||
| Catg J Exception Values: | 744,684 | 801,936 | ||||
| Catg D1 Exception Values: | 1,934,551 | 1,491,099 | ||||
| Total Test Values (4): | 21,141,765 | 21,341,884 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,067,094 |
Confidence Interval Values (5)
| State Lower Limit: | 20,274,790 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 21,141,765 | (Within Confidence Interval) |
| State Upper Limit: | 22,408,978 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 20,092,440 | (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