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187/Polk
2017 Confidence Interval Detail
187/Polk
229-906/Chester ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,137,763 | 0.9260 | 3,388,513 | 13 | 91 | .027736226 |
| A | 2,962,085 | 0.9574 | 3,093,884 | 10 | 43 | .044386912 |
| A | 2,884,815 | 0.9494 | 3,038,566 | 11 | 25 | .010225750 |
| A | 3,839,958 | 1.0214 | 3,759,505 | 10 | 20 | .016685239 |
| E | 8,785,099 | 0.9732 | 9,027,023 | 23 | 166 | .008421015 |
| Random Totals: | 21,609,720 | 22,307,491 | 67 | 345 | ||
| Catg D1 Exception Values: | 7,193,105 | 7,217,431 | ||||
| Total Test Values (4): | 28,802,825 | 29,524,922 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,476,246 |
Confidence Interval Values (5)
| State Lower Limit: | 28,048,676 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 28,802,825 | (Within Confidence Interval) |
| State Upper Limit: | 31,001,168 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 29,469,617 | (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, D2, E, 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