2012 Confidence Interval Detail
109/Hill
109-913/Blum ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 4,015,730 | 0.9731 | 4,126,739 | 9 | 121 | .003784205 |
| A | 3,824,640 | 0.9507 | 4,022,973 | 9 | 68 | .003755619 |
| A | 4,154,150 | 1.0000 | 4,154,150 | 8 | 52 | .000338409 |
| A | 3,332,360 | 0.9612 | 3,466,875 | 7 | 25 | .001112889 |
| D3 | 38,459,280 | 0.9754 | 39,429,239 | 16 | 1,491 | .024659887 |
| G1 | 5,875,475 | 0.7583 | 7,748,220 | 7 | 23 | .360133324 |
| G1 | 6,088,883 | 1.0608 | 5,739,897 | 5 | 10 | .004808097 |
| G1 | 5,625,597 | 1.0962 | 5,131,907 | 3 | 5 | .001568508 |
| G1 | 4,872,037 | 1.1211 | 4,345,765 | 2 | 3 | .050141557 |
| Random Totals: | 76,248,152 | 78,165,765 | 66 | 1,798 | ||
| Catg J Exception Values: | 17,028,254 | 18,631,119 | ||||
| Catg D1 Exception Values: | 4,778,021 | 3,608,791 | ||||
| Total Test Values (4): | 98,054,427 | 100,405,675 |
Margin of Error
| Margin of Error Percent: | 5.0000002 |
|---|---|
| Margin of Error Value: | 5,020,284 |
Confidence Interval Values (5)
| State Lower Limit: | 95,385,391 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 98,054,427 | (Within Confidence Interval) |
| State Upper Limit: | 105,425,959 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 117,086,713 | (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