2009 Confidence Interval Detail
187/Polk
187-910/Onalaska ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 55,324,021 | 0.7956 | 69,537,482 | 24 | 1,657 | .136378645 |
| A | 55,494,476 | 0.7857 | 70,630,617 | 15 | 762 | .063027419 |
| A | 66,355,547 | 0.6912 | 96,000,502 | 22 | 560 | .074335799 |
| A | 97,382,766 | 0.7228 | 134,729,892 | 17 | 402 | .066941064 |
| C | 9,158,581 | 0.8495 | 10,781,143 | 21 | 3,434 | .094489411 |
| C | 9,768,440 | 0.7016 | 13,923,090 | 19 | 1,688 | .260397230 |
| C | 9,355,646 | 0.7074 | 13,225,397 | 20 | 537 | .407992878 |
| C | 8,916,415 | 0.9181 | 9,711,812 | 16 | 111 | .021828083 |
| F1 | 4,914,330 | 0.8631 | 5,693,813 | 12 | 75 | .031812720 |
| F1 | 4,190,880 | 0.9044 | 4,633,879 | 8 | 26 | .018935364 |
| F1 | 6,408,817 | 0.8771 | 7,306,826 | 9 | 19 | .050496263 |
| Random Totals: | 327,269,919 | 436,174,453 | 183 | 9,271 | ||
| Catg D1 Exception Values: | 3,834,027 | 3,759,057 | ||||
| Catg F1 Exception Values: | 4,913,344 | 5,961,860 | ||||
| Total Test Values (4): | 336,017,290 | 445,895,370 |
Margin of Error
| Margin of Error Percent: | 5.4362527 |
|---|---|
| Margin of Error Value: | 24,239,999 |
Confidence Interval Values (5)
| Local Test Value: | 336,017,290 | (Outside Confidence Interval) |
|---|---|---|
| State Lower Limit: | 421,655,371 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 470,135,369 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 409,619,660 | (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