2009 Confidence Interval Detail
249/Wise
249-904/Chico ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 21,330,850 | 0.9997 | 21,337,251 | 12 | 316 | .010284954 |
| A | 20,132,390 | 0.9902 | 20,331,640 | 15 | 166 | .009072673 |
| A | 23,097,010 | 1.0192 | 22,661,901 | 12 | 118 | .021495020 |
| A | 32,064,860 | 0.9982 | 32,122,681 | 17 | 84 | .007921324 |
| C | 10,055,110 | 0.9080 | 11,073,910 | 8 | 289 | .063095403 |
| C | 13,237,660 | 1.0549 | 12,548,734 | 8 | 121 | .030006340 |
| C | 11,281,780 | 0.8791 | 12,833,330 | 11 | 66 | .022587026 |
| C | 4,272,030 | 0.9604 | 4,448,178 | 6 | 19 | .031281479 |
| D3 | 74,520,180 | 0.8794 | 84,739,800 | 23 | 2,367 | .095060524 |
| G1 | 16,837,263 | 0.9979 | 16,872,696 | 9 | 136 | .018956875 |
| G1 | 16,772,661 | 0.9626 | 17,424,331 | 7 | 51 | .001673968 |
| G1 | 17,574,441 | 1.0038 | 17,507,911 | 7 | 24 | .001969821 |
| G1 | 15,399,310 | 0.9902 | 15,551,717 | 3 | 5 | .002369868 |
| Random Totals: | 276,575,545 | 289,454,080 | 138 | 3,762 | ||
| Catg J Exception Values: | 17,268,770 | 17,247,286 | ||||
| Catg D1 Exception Values: | 3,506,740 | 3,431,007 | ||||
| Total Test Values (4): | 297,351,055 | 310,132,373 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 15,506,619 |
Confidence Interval Values (5)
| State Lower Limit: | 294,625,754 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 297,351,055 | (Within Confidence Interval) |
| State Upper Limit: | 325,638,992 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 518,510,372 | (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
