2008 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 | 1,924,800 | 1.1806 | 1,630,357 | 7 | 67 | .011321229 |
| A | 2,044,330 | 1.0079 | 2,028,306 | 8 | 42 | .026358936 |
| A | 1,944,840 | 0.8969 | 2,168,402 | 8 | 28 | .021491586 |
| A | 2,577,980 | 0.9549 | 2,699,738 | 7 | 21 | .003640161 |
| D3 | 9,331,281 | 0.9100 | 10,254,155 | 21 | 524 | .015527223 |
| Random Totals: | 17,823,231 | 18,780,958 | 51 | 682 | ||
| Catg J Exception Values: | 695,240 | 750,875 | ||||
| Catg D1 Exception Values: | 1,950,360 | 1,567,239 | ||||
| Total Test Values (4): | 20,468,831 | 21,099,072 |
Margin of Error
| Margin of Error Percent: | 5.0000019 |
|---|---|
| Margin of Error Value: | 1,054,954 |
Confidence Interval Values (5)
| State Lower Limit: | 20,044,118 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 20,468,831 | (Within Confidence Interval) |
| State Upper Limit: | 22,154,026 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 18,141,161 | (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