2009 Confidence Interval Detail
198/Robertson
198-906/Mumford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D3 | 5,037,740 | 0.7710 | 6,534,034 | 10 | 231 | .053719367 |
| G1 | 15,607,935 | 1.0618 | 14,699,506 | 6 | 24 | .013273376 |
| G1 | 14,388,941 | 1.0035 | 14,338,755 | 4 | 10 | .031980127 |
| G1 | 15,601,841 | 1.0953 | 14,244,354 | 3 | 6 | .007728912 |
| Random Totals: | 50,636,457 | 49,816,649 | 23 | 271 | ||
| Catg J Exception Values: | 5,155,690 | 5,350,217 | ||||
| Catg D1 Exception Values: | 4,733,270 | 5,111,652 | ||||
| Catg G1 Exception Values: | 12,240,576 | 12,151,403 | ||||
| Total Test Values (4): | 72,765,993 | 72,429,921 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 3,621,496 |
Confidence Interval Values (5)
| State Lower Limit: | 68,808,425 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 72,765,993 | (Within Confidence Interval) |
| State Upper Limit: | 76,051,417 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 84,327,651 | (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