2009 Confidence Interval Detail
187/Polk
187-904/Corrigan-Camden ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 13,689,165 | 0.9012 | 15,189,930 | 15 | 530 | .068385780 |
| A | 15,283,088 | 0.9032 | 16,921,045 | 16 | 309 | .025373019 |
| A | 15,463,681 | 0.8882 | 17,410,134 | 18 | 195 | .024448791 |
| A | 19,989,085 | 0.8728 | 22,902,251 | 18 | 146 | .027707397 |
| D3 | 29,166,359 | 0.9784 | 29,810,261 | 25 | 2,342 | .017940940 |
| G1 | 10,615,520 | 1.0900 | 9,739,009 | 5 | 19 | .009294352 |
| Random Totals: | 104,206,898 | 111,972,630 | 97 | 3,541 | ||
| Catg J Exception Values: | 20,582,931 | 20,428,199 | ||||
| Catg D1 Exception Values: | 31,772,531 | 33,897,851 | ||||
| Catg G1 Exception Values: | 17,945,080 | 9,132,855 | ||||
| Total Test Values (4): | 174,507,440 | 175,431,535 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 8,771,577 |
Confidence Interval Values (5)
| State Lower Limit: | 166,659,958 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 174,507,440 | (Within Confidence Interval) |
| State Upper Limit: | 184,203,112 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 262,450,772 | (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